Home / 53,030.01-73,181.43-29,158.30

Finding the Fourth Proportional to 53,030.01, 73,181.43 and 29,158.30

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Solution

The fourth proportional to 53,030.01, 73,181.43 and 29,158.30 is: 40,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,030.01 : 73,181.43 = 29,158.30 : x
  2. Step 2: Convert to fraction form
    53,030.01/73,181.43 = 29,158.30/x
  3. Step 3: Cross multiply
    53,030.01x = 73,181.43 × 29,158.30
  4. Step 4: Simplify right side
    53,030.01x = 2,133,845,578.67
  5. Step 5: Solve for x
    x = 2,133,845,578.67/53,030.01
  6. Step 6: Final answer
    x = 40,238.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.