Home / 42,043.91-63,066.10-10,879.16

Finding the Fourth Proportional to 42,043.91, 63,066.10 and 10,879.16

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Solution

The fourth proportional to 42,043.91, 63,066.10 and 10,879.16 is: 16,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,043.91 : 63,066.10 = 10,879.16 : x
  2. Step 2: Convert to fraction form
    42,043.91/63,066.10 = 10,879.16/x
  3. Step 3: Cross multiply
    42,043.91x = 63,066.10 × 10,879.16
  4. Step 4: Simplify right side
    42,043.91x = 686,106,295.75
  5. Step 5: Solve for x
    x = 686,106,295.75/42,043.91
  6. Step 6: Final answer
    x = 16,318.80

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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.