Home / 20,757.45-31,132.02-5,962.91

Finding the Fourth Proportional to 20,757.45, 31,132.02 and 5,962.91

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Solution

The fourth proportional to 20,757.45, 31,132.02 and 5,962.91 is: 8,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757.45 : 31,132.02 = 5,962.91 : x
  2. Step 2: Convert to fraction form
    20,757.45/31,132.02 = 5,962.91/x
  3. Step 3: Cross multiply
    20,757.45x = 31,132.02 × 5,962.91
  4. Step 4: Simplify right side
    20,757.45x = 185,637,277.72
  5. Step 5: Solve for x
    x = 185,637,277.72/20,757.45
  6. Step 6: Final answer
    x = 8,943.16

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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.