Home / 56,641.05-78,162.66-36,498.78

Finding the Fourth Proportional to 56,641.05, 78,162.66 and 36,498.78

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Solution

The fourth proportional to 56,641.05, 78,162.66 and 36,498.78 is: 50,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,641.05 : 78,162.66 = 36,498.78 : x
  2. Step 2: Convert to fraction form
    56,641.05/78,162.66 = 36,498.78/x
  3. Step 3: Cross multiply
    56,641.05x = 78,162.66 × 36,498.78
  4. Step 4: Simplify right side
    56,641.05x = 2,852,841,731.55
  5. Step 5: Solve for x
    x = 2,852,841,731.55/56,641.05
  6. Step 6: Final answer
    x = 50,367.03

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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.