Home / 39,681.54-59,522.50-13,386.52

Finding the Fourth Proportional to 39,681.54, 59,522.50 and 13,386.52

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Solution

The fourth proportional to 39,681.54, 59,522.50 and 13,386.52 is: 20,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,681.54 : 59,522.50 = 13,386.52 : x
  2. Step 2: Convert to fraction form
    39,681.54/59,522.50 = 13,386.52/x
  3. Step 3: Cross multiply
    39,681.54x = 59,522.50 × 13,386.52
  4. Step 4: Simplify right side
    39,681.54x = 796,799,136.70
  5. Step 5: Solve for x
    x = 796,799,136.70/39,681.54
  6. Step 6: Final answer
    x = 20,079.84

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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.