Home / 38,126.16-52,614.08-21,359.12

Finding the Fourth Proportional to 38,126.16, 52,614.08 and 21,359.12

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Solution

The fourth proportional to 38,126.16, 52,614.08 and 21,359.12 is: 29,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,126.16 : 52,614.08 = 21,359.12 : x
  2. Step 2: Convert to fraction form
    38,126.16/52,614.08 = 21,359.12/x
  3. Step 3: Cross multiply
    38,126.16x = 52,614.08 × 21,359.12
  4. Step 4: Simplify right side
    38,126.16x = 1,123,790,448.41
  5. Step 5: Solve for x
    x = 1,123,790,448.41/38,126.16
  6. Step 6: Final answer
    x = 29,475.57

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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.