Home / 39,830.58-59,754.54-12,127.86

Finding the Fourth Proportional to 39,830.58, 59,754.54 and 12,127.86

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Solution

The fourth proportional to 39,830.58, 59,754.54 and 12,127.86 is: 18,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,830.58 : 59,754.54 = 12,127.86 : x
  2. Step 2: Convert to fraction form
    39,830.58/59,754.54 = 12,127.86/x
  3. Step 3: Cross multiply
    39,830.58x = 59,754.54 × 12,127.86
  4. Step 4: Simplify right side
    39,830.58x = 724,694,695.48
  5. Step 5: Solve for x
    x = 724,694,695.48/39,830.58
  6. Step 6: Final answer
    x = 18,194.43

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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.