Home / 39,331.20-58,996.80-23,779.20

Finding the Fourth Proportional to 39,331.20, 58,996.80 and 23,779.20

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Solution

The fourth proportional to 39,331.20, 58,996.80 and 23,779.20 is: 35,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,331.20 : 58,996.80 = 23,779.20 : x
  2. Step 2: Convert to fraction form
    39,331.20/58,996.80 = 23,779.20/x
  3. Step 3: Cross multiply
    39,331.20x = 58,996.80 × 23,779.20
  4. Step 4: Simplify right side
    39,331.20x = 1,402,896,706.56
  5. Step 5: Solve for x
    x = 1,402,896,706.56/39,331.20
  6. Step 6: Final answer
    x = 35,668.80

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Similar ratio
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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.