Home / 39,712.91-59,551.87-18,658.94

Finding the Fourth Proportional to 39,712.91, 59,551.87 and 18,658.94

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Solution

The fourth proportional to 39,712.91, 59,551.87 and 18,658.94 is: 27,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,712.91 : 59,551.87 = 18,658.94 : x
  2. Step 2: Convert to fraction form
    39,712.91/59,551.87 = 18,658.94/x
  3. Step 3: Cross multiply
    39,712.91x = 59,551.87 × 18,658.94
  4. Step 4: Simplify right side
    39,712.91x = 1,111,174,471.46
  5. Step 5: Solve for x
    x = 1,111,174,471.46/39,712.91
  6. Step 6: Final answer
    x = 27,980.18

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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.