Home / 39,758.92-59,645.67-13,106.47

Finding the Fourth Proportional to 39,758.92, 59,645.67 and 13,106.47

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Solution

The fourth proportional to 39,758.92, 59,645.67 and 13,106.47 is: 19,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,758.92 : 59,645.67 = 13,106.47 : x
  2. Step 2: Convert to fraction form
    39,758.92/59,645.67 = 13,106.47/x
  3. Step 3: Cross multiply
    39,758.92x = 59,645.67 × 13,106.47
  4. Step 4: Simplify right side
    39,758.92x = 781,744,184.48
  5. Step 5: Solve for x
    x = 781,744,184.48/39,758.92
  6. Step 6: Final answer
    x = 19,662.11

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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.