Home / 55,253.65-76,247.39-31,377.17

Finding the Fourth Proportional to 55,253.65, 76,247.39 and 31,377.17

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Solution

The fourth proportional to 55,253.65, 76,247.39 and 31,377.17 is: 43,298.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,253.65 : 76,247.39 = 31,377.17 : x
  2. Step 2: Convert to fraction form
    55,253.65/76,247.39 = 31,377.17/x
  3. Step 3: Cross multiply
    55,253.65x = 76,247.39 × 31,377.17
  4. Step 4: Simplify right side
    55,253.65x = 2,392,427,161.20
  5. Step 5: Solve for x
    x = 2,392,427,161.20/55,253.65
  6. Step 6: Final answer
    x = 43,298.99

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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.