Home / 37,080.60-55,610.10-13,385.40

Finding the Fourth Proportional to 37,080.60, 55,610.10 and 13,385.40

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Solution

The fourth proportional to 37,080.60, 55,610.10 and 13,385.40 is: 20,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,080.60 : 55,610.10 = 13,385.40 : x
  2. Step 2: Convert to fraction form
    37,080.60/55,610.10 = 13,385.40/x
  3. Step 3: Cross multiply
    37,080.60x = 55,610.10 × 13,385.40
  4. Step 4: Simplify right side
    37,080.60x = 744,363,432.54
  5. Step 5: Solve for x
    x = 744,363,432.54/37,080.60
  6. Step 6: Final answer
    x = 20,074.20

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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.