Home / 55,750.83-76,937.09-31,877.70

Finding the Fourth Proportional to 55,750.83, 76,937.09 and 31,877.70

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Solution

The fourth proportional to 55,750.83, 76,937.09 and 31,877.70 is: 43,991.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750.83 : 76,937.09 = 31,877.70 : x
  2. Step 2: Convert to fraction form
    55,750.83/76,937.09 = 31,877.70/x
  3. Step 3: Cross multiply
    55,750.83x = 76,937.09 × 31,877.70
  4. Step 4: Simplify right side
    55,750.83x = 2,452,577,314.50
  5. Step 5: Solve for x
    x = 2,452,577,314.50/55,750.83
  6. Step 6: Final answer
    x = 43,991.76

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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.