Home / 87,017.74-130,539.13-33,002.31

Finding the Fourth Proportional to 87,017.74, 130,539.13 and 33,002.31

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Solution

The fourth proportional to 87,017.74, 130,539.13 and 33,002.31 is: 49,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,017.74 : 130,539.13 = 33,002.31 : x
  2. Step 2: Convert to fraction form
    87,017.74/130,539.13 = 33,002.31/x
  3. Step 3: Cross multiply
    87,017.74x = 130,539.13 × 33,002.31
  4. Step 4: Simplify right side
    87,017.74x = 4,308,092,835.39
  5. Step 5: Solve for x
    x = 4,308,092,835.39/87,017.74
  6. Step 6: Final answer
    x = 49,508.21

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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.