Home / 55,818.55-77,028.25-31,943.70

Finding the Fourth Proportional to 55,818.55, 77,028.25 and 31,943.70

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Solution

The fourth proportional to 55,818.55, 77,028.25 and 31,943.70 is: 44,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,818.55 : 77,028.25 = 31,943.70 : x
  2. Step 2: Convert to fraction form
    55,818.55/77,028.25 = 31,943.70/x
  3. Step 3: Cross multiply
    55,818.55x = 77,028.25 × 31,943.70
  4. Step 4: Simplify right side
    55,818.55x = 2,460,567,309.53
  5. Step 5: Solve for x
    x = 2,460,567,309.53/55,818.55
  6. Step 6: Final answer
    x = 44,081.53

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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.