Home / 58,778.39-88,139.79-22,771.72

Finding the Fourth Proportional to 58,778.39, 88,139.79 and 22,771.72

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Solution

The fourth proportional to 58,778.39, 88,139.79 and 22,771.72 is: 34,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,778.39 : 88,139.79 = 22,771.72 : x
  2. Step 2: Convert to fraction form
    58,778.39/88,139.79 = 22,771.72/x
  3. Step 3: Cross multiply
    58,778.39x = 88,139.79 × 22,771.72
  4. Step 4: Simplify right side
    58,778.39x = 2,007,094,618.74
  5. Step 5: Solve for x
    x = 2,007,094,618.74/58,778.39
  6. Step 6: Final answer
    x = 34,146.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.