Home / 42,356.80-63,462.30-39,732.40

Finding the Fourth Proportional to 42,356.80, 63,462.30 and 39,732.40

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Solution

The fourth proportional to 42,356.80, 63,462.30 and 39,732.40 is: 59,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,356.80 : 63,462.30 = 39,732.40 : x
  2. Step 2: Convert to fraction form
    42,356.80/63,462.30 = 39,732.40/x
  3. Step 3: Cross multiply
    42,356.80x = 63,462.30 × 39,732.40
  4. Step 4: Simplify right side
    42,356.80x = 2,521,509,488.52
  5. Step 5: Solve for x
    x = 2,521,509,488.52/42,356.80
  6. Step 6: Final answer
    x = 59,530.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.