Home / 29,086.80-40,139.76-17,150.16

Finding the Fourth Proportional to 29,086.80, 40,139.76 and 17,150.16

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Solution

The fourth proportional to 29,086.80, 40,139.76 and 17,150.16 is: 23,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,086.80 : 40,139.76 = 17,150.16 : x
  2. Step 2: Convert to fraction form
    29,086.80/40,139.76 = 17,150.16/x
  3. Step 3: Cross multiply
    29,086.80x = 40,139.76 × 17,150.16
  4. Step 4: Simplify right side
    29,086.80x = 688,403,306.36
  5. Step 5: Solve for x
    x = 688,403,306.36/29,086.80
  6. Step 6: Final answer
    x = 23,667.21

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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.