Home / 29,139.60-43,709.40-26,461.20

Finding the Fourth Proportional to 29,139.60, 43,709.40 and 26,461.20

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Solution

The fourth proportional to 29,139.60, 43,709.40 and 26,461.20 is: 39,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139.60 : 43,709.40 = 26,461.20 : x
  2. Step 2: Convert to fraction form
    29,139.60/43,709.40 = 26,461.20/x
  3. Step 3: Cross multiply
    29,139.60x = 43,709.40 × 26,461.20
  4. Step 4: Simplify right side
    29,139.60x = 1,156,603,175.28
  5. Step 5: Solve for x
    x = 1,156,603,175.28/29,139.60
  6. Step 6: Final answer
    x = 39,691.80

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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.