Home / 53,298.20-73,555.08-30,644.66

Finding the Fourth Proportional to 53,298.20, 73,555.08 and 30,644.66

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Solution

The fourth proportional to 53,298.20, 73,555.08 and 30,644.66 is: 42,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,298.20 : 73,555.08 = 30,644.66 : x
  2. Step 2: Convert to fraction form
    53,298.20/73,555.08 = 30,644.66/x
  3. Step 3: Cross multiply
    53,298.20x = 73,555.08 × 30,644.66
  4. Step 4: Simplify right side
    53,298.20x = 2,254,070,417.87
  5. Step 5: Solve for x
    x = 2,254,070,417.87/53,298.20
  6. Step 6: Final answer
    x = 42,291.68

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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.