Home / 57,077.46-78,718.56-34,411.49

Finding the Fourth Proportional to 57,077.46, 78,718.56 and 34,411.49

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Solution

The fourth proportional to 57,077.46, 78,718.56 and 34,411.49 is: 47,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,077.46 : 78,718.56 = 34,411.49 : x
  2. Step 2: Convert to fraction form
    57,077.46/78,718.56 = 34,411.49/x
  3. Step 3: Cross multiply
    57,077.46x = 78,718.56 × 34,411.49
  4. Step 4: Simplify right side
    57,077.46x = 2,708,822,546.66
  5. Step 5: Solve for x
    x = 2,708,822,546.66/57,077.46
  6. Step 6: Final answer
    x = 47,458.71

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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.