Home / 29,090.18-40,146.87-17,155.85

Finding the Fourth Proportional to 29,090.18, 40,146.87 and 17,155.85

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Solution

The fourth proportional to 29,090.18, 40,146.87 and 17,155.85 is: 23,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,090.18 : 40,146.87 = 17,155.85 : x
  2. Step 2: Convert to fraction form
    29,090.18/40,146.87 = 17,155.85/x
  3. Step 3: Cross multiply
    29,090.18x = 40,146.87 × 17,155.85
  4. Step 4: Simplify right side
    29,090.18x = 688,753,679.69
  5. Step 5: Solve for x
    x = 688,753,679.69/29,090.18
  6. Step 6: Final answer
    x = 23,676.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.