Home / 42,294.91-63,442.36-12,712.77

Finding the Fourth Proportional to 42,294.91, 63,442.36 and 12,712.77

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Solution

The fourth proportional to 42,294.91, 63,442.36 and 12,712.77 is: 19,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,294.91 : 63,442.36 = 12,712.77 : x
  2. Step 2: Convert to fraction form
    42,294.91/63,442.36 = 12,712.77/x
  3. Step 3: Cross multiply
    42,294.91x = 63,442.36 × 12,712.77
  4. Step 4: Simplify right side
    42,294.91x = 806,528,130.94
  5. Step 5: Solve for x
    x = 806,528,130.94/42,294.91
  6. Step 6: Final answer
    x = 19,069.15

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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.