Home / 39,387.92-59,051.16-19,656.56

Finding the Fourth Proportional to 39,387.92, 59,051.16 and 19,656.56

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Solution

The fourth proportional to 39,387.92, 59,051.16 and 19,656.56 is: 29,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,387.92 : 59,051.16 = 19,656.56 : x
  2. Step 2: Convert to fraction form
    39,387.92/59,051.16 = 19,656.56/x
  3. Step 3: Cross multiply
    39,387.92x = 59,051.16 × 19,656.56
  4. Step 4: Simplify right side
    39,387.92x = 1,160,742,669.61
  5. Step 5: Solve for x
    x = 1,160,742,669.61/39,387.92
  6. Step 6: Final answer
    x = 29,469.51

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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.