Home / 56,401.30-77,833.79-31,250.80

Finding the Fourth Proportional to 56,401.30, 77,833.79 and 31,250.80

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Solution

The fourth proportional to 56,401.30, 77,833.79 and 31,250.80 is: 43,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,401.30 : 77,833.79 = 31,250.80 : x
  2. Step 2: Convert to fraction form
    56,401.30/77,833.79 = 31,250.80/x
  3. Step 3: Cross multiply
    56,401.30x = 77,833.79 × 31,250.80
  4. Step 4: Simplify right side
    56,401.30x = 2,432,367,815.36
  5. Step 5: Solve for x
    x = 2,432,367,815.36/56,401.30
  6. Step 6: Final answer
    x = 43,126.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.