Home / 39,830.08-59,753.79-12,127.36

Finding the Fourth Proportional to 39,830.08, 59,753.79 and 12,127.36

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Solution

The fourth proportional to 39,830.08, 59,753.79 and 12,127.36 is: 18,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,830.08 : 59,753.79 = 12,127.36 : x
  2. Step 2: Convert to fraction form
    39,830.08/59,753.79 = 12,127.36/x
  3. Step 3: Cross multiply
    39,830.08x = 59,753.79 × 12,127.36
  4. Step 4: Simplify right side
    39,830.08x = 724,655,722.69
  5. Step 5: Solve for x
    x = 724,655,722.69/39,830.08
  6. Step 6: Final answer
    x = 18,193.68

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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.