Home / 87,019.23-130,528.96-23,839.91

Finding the Fourth Proportional to 87,019.23, 130,528.96 and 23,839.91

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Solution

The fourth proportional to 87,019.23, 130,528.96 and 23,839.91 is: 35,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,019.23 : 130,528.96 = 23,839.91 : x
  2. Step 2: Convert to fraction form
    87,019.23/130,528.96 = 23,839.91/x
  3. Step 3: Cross multiply
    87,019.23x = 130,528.96 × 23,839.91
  4. Step 4: Simplify right side
    87,019.23x = 3,111,798,658.79
  5. Step 5: Solve for x
    x = 3,111,798,658.79/87,019.23
  6. Step 6: Final answer
    x = 35,759.90

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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.