Home / 42,416.20-63,648.60-16,139.80

Finding the Fourth Proportional to 42,416.20, 63,648.60 and 16,139.80

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Solution

The fourth proportional to 42,416.20, 63,648.60 and 16,139.80 is: 24,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,416.20 : 63,648.60 = 16,139.80 : x
  2. Step 2: Convert to fraction form
    42,416.20/63,648.60 = 16,139.80/x
  3. Step 3: Cross multiply
    42,416.20x = 63,648.60 × 16,139.80
  4. Step 4: Simplify right side
    42,416.20x = 1,027,275,674.28
  5. Step 5: Solve for x
    x = 1,027,275,674.28/42,416.20
  6. Step 6: Final answer
    x = 24,218.95

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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.