Home / 39,375.60-59,080.83-20,651.16

Finding the Fourth Proportional to 39,375.60, 59,080.83 and 20,651.16

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Solution

The fourth proportional to 39,375.60, 59,080.83 and 20,651.16 is: 30,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375.60 : 59,080.83 = 20,651.16 : x
  2. Step 2: Convert to fraction form
    39,375.60/59,080.83 = 20,651.16/x
  3. Step 3: Cross multiply
    39,375.60x = 59,080.83 × 20,651.16
  4. Step 4: Simplify right side
    39,375.60x = 1,220,087,673.26
  5. Step 5: Solve for x
    x = 1,220,087,673.26/39,375.60
  6. Step 6: Final answer
    x = 30,985.88

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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.