Home / 42,800.38-64,200.77-15,098.38

Finding the Fourth Proportional to 42,800.38, 64,200.77 and 15,098.38

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Solution

The fourth proportional to 42,800.38, 64,200.77 and 15,098.38 is: 22,647.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,800.38 : 64,200.77 = 15,098.38 : x
  2. Step 2: Convert to fraction form
    42,800.38/64,200.77 = 15,098.38/x
  3. Step 3: Cross multiply
    42,800.38x = 64,200.77 × 15,098.38
  4. Step 4: Simplify right side
    42,800.38x = 969,327,621.75
  5. Step 5: Solve for x
    x = 969,327,621.75/42,800.38
  6. Step 6: Final answer
    x = 22,647.64

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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.