Home / 86,287.45-129,440.02-33,024.23

Finding the Fourth Proportional to 86,287.45, 129,440.02 and 33,024.23

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Solution

The fourth proportional to 86,287.45, 129,440.02 and 33,024.23 is: 49,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,287.45 : 129,440.02 = 33,024.23 : x
  2. Step 2: Convert to fraction form
    86,287.45/129,440.02 = 33,024.23/x
  3. Step 3: Cross multiply
    86,287.45x = 129,440.02 × 33,024.23
  4. Step 4: Simplify right side
    86,287.45x = 4,274,656,344.48
  5. Step 5: Solve for x
    x = 4,274,656,344.48/86,287.45
  6. Step 6: Final answer
    x = 49,539.73

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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.