Home / 40,899.60-61,349.40-29,089.80

Finding the Fourth Proportional to 40,899.60, 61,349.40 and 29,089.80

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Solution

The fourth proportional to 40,899.60, 61,349.40 and 29,089.80 is: 43,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,899.60 : 61,349.40 = 29,089.80 : x
  2. Step 2: Convert to fraction form
    40,899.60/61,349.40 = 29,089.80/x
  3. Step 3: Cross multiply
    40,899.60x = 61,349.40 × 29,089.80
  4. Step 4: Simplify right side
    40,899.60x = 1,784,641,776.12
  5. Step 5: Solve for x
    x = 1,784,641,776.12/40,899.60
  6. Step 6: Final answer
    x = 43,634.70

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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.