Home / 42,309.40-63,464.10-29,003.80

Finding the Fourth Proportional to 42,309.40, 63,464.10 and 29,003.80

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Solution

The fourth proportional to 42,309.40, 63,464.10 and 29,003.80 is: 43,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,309.40 : 63,464.10 = 29,003.80 : x
  2. Step 2: Convert to fraction form
    42,309.40/63,464.10 = 29,003.80/x
  3. Step 3: Cross multiply
    42,309.40x = 63,464.10 × 29,003.80
  4. Step 4: Simplify right side
    42,309.40x = 1,840,700,063.58
  5. Step 5: Solve for x
    x = 1,840,700,063.58/42,309.40
  6. Step 6: Final answer
    x = 43,505.70

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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.