Home / 38,150.14-52,646.25-21,154.45

Finding the Fourth Proportional to 38,150.14, 52,646.25 and 21,154.45

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Solution

The fourth proportional to 38,150.14, 52,646.25 and 21,154.45 is: 29,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,150.14 : 52,646.25 = 21,154.45 : x
  2. Step 2: Convert to fraction form
    38,150.14/52,646.25 = 21,154.45/x
  3. Step 3: Cross multiply
    38,150.14x = 52,646.25 × 21,154.45
  4. Step 4: Simplify right side
    38,150.14x = 1,113,702,463.31
  5. Step 5: Solve for x
    x = 1,113,702,463.31/38,150.14
  6. Step 6: Final answer
    x = 29,192.62

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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.