Home / 42,471.81-63,436.13-38,463.23

Finding the Fourth Proportional to 42,471.81, 63,436.13 and 38,463.23

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Solution

The fourth proportional to 42,471.81, 63,436.13 and 38,463.23 is: 57,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,471.81 : 63,436.13 = 38,463.23 : x
  2. Step 2: Convert to fraction form
    42,471.81/63,436.13 = 38,463.23/x
  3. Step 3: Cross multiply
    42,471.81x = 63,436.13 × 38,463.23
  4. Step 4: Simplify right side
    42,471.81x = 2,439,957,949.00
  5. Step 5: Solve for x
    x = 2,439,957,949.00/42,471.81
  6. Step 6: Final answer
    x = 57,448.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.