Home / 42,214.55-63,321.83-11,049.80

Finding the Fourth Proportional to 42,214.55, 63,321.83 and 11,049.80

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Solution

The fourth proportional to 42,214.55, 63,321.83 and 11,049.80 is: 16,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,214.55 : 63,321.83 = 11,049.80 : x
  2. Step 2: Convert to fraction form
    42,214.55/63,321.83 = 11,049.80/x
  3. Step 3: Cross multiply
    42,214.55x = 63,321.83 × 11,049.80
  4. Step 4: Simplify right side
    42,214.55x = 699,693,501.89
  5. Step 5: Solve for x
    x = 699,693,501.89/42,214.55
  6. Step 6: Final answer
    x = 16,574.70

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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.