Home / 29,259.38-40,378.55-17,318.36

Finding the Fourth Proportional to 29,259.38, 40,378.55 and 17,318.36

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Solution

The fourth proportional to 29,259.38, 40,378.55 and 17,318.36 is: 23,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,259.38 : 40,378.55 = 17,318.36 : x
  2. Step 2: Convert to fraction form
    29,259.38/40,378.55 = 17,318.36/x
  3. Step 3: Cross multiply
    29,259.38x = 40,378.55 × 17,318.36
  4. Step 4: Simplify right side
    29,259.38x = 699,290,265.18
  5. Step 5: Solve for x
    x = 699,290,265.18/29,259.38
  6. Step 6: Final answer
    x = 23,899.70

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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.