Home / 39,679.47-59,520.69-14,725.80

Finding the Fourth Proportional to 39,679.47, 59,520.69 and 14,725.80

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Solution

The fourth proportional to 39,679.47, 59,520.69 and 14,725.80 is: 22,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,679.47 : 59,520.69 = 14,725.80 : x
  2. Step 2: Convert to fraction form
    39,679.47/59,520.69 = 14,725.80/x
  3. Step 3: Cross multiply
    39,679.47x = 59,520.69 × 14,725.80
  4. Step 4: Simplify right side
    39,679.47x = 876,489,776.80
  5. Step 5: Solve for x
    x = 876,489,776.80/39,679.47
  6. Step 6: Final answer
    x = 22,089.25

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1.5x scale

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.