Home / 39,805.18-59,708.10-14,522.80

Finding the Fourth Proportional to 39,805.18, 59,708.10 and 14,522.80

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Solution

The fourth proportional to 39,805.18, 59,708.10 and 14,522.80 is: 21,784.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,805.18 : 59,708.10 = 14,522.80 : x
  2. Step 2: Convert to fraction form
    39,805.18/59,708.10 = 14,522.80/x
  3. Step 3: Cross multiply
    39,805.18x = 59,708.10 × 14,522.80
  4. Step 4: Simplify right side
    39,805.18x = 867,128,794.68
  5. Step 5: Solve for x
    x = 867,128,794.68/39,805.18
  6. Step 6: Final answer
    x = 21,784.32

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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.