Home / 42,473.81-63,439.11-38,465.23

Finding the Fourth Proportional to 42,473.81, 63,439.11 and 38,465.23

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Solution

The fourth proportional to 42,473.81, 63,439.11 and 38,465.23 is: 57,451.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,473.81 : 63,439.11 = 38,465.23 : x
  2. Step 2: Convert to fraction form
    42,473.81/63,439.11 = 38,465.23/x
  3. Step 3: Cross multiply
    42,473.81x = 63,439.11 × 38,465.23
  4. Step 4: Simplify right side
    42,473.81x = 2,440,199,957.15
  5. Step 5: Solve for x
    x = 2,440,199,957.15/42,473.81
  6. Step 6: Final answer
    x = 57,451.87

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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.