Home / 86,204.40-129,302.46-30,042.24

Finding the Fourth Proportional to 86,204.40, 129,302.46 and 30,042.24

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Solution

The fourth proportional to 86,204.40, 129,302.46 and 30,042.24 is: 45,061.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,204.40 : 129,302.46 = 30,042.24 : x
  2. Step 2: Convert to fraction form
    86,204.40/129,302.46 = 30,042.24/x
  3. Step 3: Cross multiply
    86,204.40x = 129,302.46 × 30,042.24
  4. Step 4: Simplify right side
    86,204.40x = 3,884,535,535.91
  5. Step 5: Solve for x
    x = 3,884,535,535.91/86,204.40
  6. Step 6: Final answer
    x = 45,061.92

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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.