Home / 55,800.20-77,017.56-31,940.66

Finding the Fourth Proportional to 55,800.20, 77,017.56 and 31,940.66

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Solution

The fourth proportional to 55,800.20, 77,017.56 and 31,940.66 is: 44,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,800.20 : 77,017.56 = 31,940.66 : x
  2. Step 2: Convert to fraction form
    55,800.20/77,017.56 = 31,940.66/x
  3. Step 3: Cross multiply
    55,800.20x = 77,017.56 × 31,940.66
  4. Step 4: Simplify right side
    55,800.20x = 2,459,991,697.99
  5. Step 5: Solve for x
    x = 2,459,991,697.99/55,800.20
  6. Step 6: Final answer
    x = 44,085.71

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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.