Home / 55,350.20-82,934.10-31,935.80

Finding the Fourth Proportional to 55,350.20, 82,934.10 and 31,935.80

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Solution

The fourth proportional to 55,350.20, 82,934.10 and 31,935.80 is: 47,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,350.20 : 82,934.10 = 31,935.80 : x
  2. Step 2: Convert to fraction form
    55,350.20/82,934.10 = 31,935.80/x
  3. Step 3: Cross multiply
    55,350.20x = 82,934.10 × 31,935.80
  4. Step 4: Simplify right side
    55,350.20x = 2,648,566,830.78
  5. Step 5: Solve for x
    x = 2,648,566,830.78/55,350.20
  6. Step 6: Final answer
    x = 47,851.08

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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.