Home / 87,323.04-130,990.32-31,957.92

Finding the Fourth Proportional to 87,323.04, 130,990.32 and 31,957.92

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Solution

The fourth proportional to 87,323.04, 130,990.32 and 31,957.92 is: 47,938.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,323.04 : 130,990.32 = 31,957.92 : x
  2. Step 2: Convert to fraction form
    87,323.04/130,990.32 = 31,957.92/x
  3. Step 3: Cross multiply
    87,323.04x = 130,990.32 × 31,957.92
  4. Step 4: Simplify right side
    87,323.04x = 4,186,178,167.33
  5. Step 5: Solve for x
    x = 4,186,178,167.33/87,323.04
  6. Step 6: Final answer
    x = 47,938.99

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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.