Home / 60,331.36-90,510.04-18,207.92

Finding the Fourth Proportional to 60,331.36, 90,510.04 and 18,207.92

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Solution

The fourth proportional to 60,331.36, 90,510.04 and 18,207.92 is: 27,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,331.36 : 90,510.04 = 18,207.92 : x
  2. Step 2: Convert to fraction form
    60,331.36/90,510.04 = 18,207.92/x
  3. Step 3: Cross multiply
    60,331.36x = 90,510.04 × 18,207.92
  4. Step 4: Simplify right side
    60,331.36x = 1,647,999,114.97
  5. Step 5: Solve for x
    x = 1,647,999,114.97/60,331.36
  6. Step 6: Final answer
    x = 27,315.80

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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.