Home / 52,790.91-79,076.19-31,663.95

Finding the Fourth Proportional to 52,790.91, 79,076.19 and 31,663.95

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Solution

The fourth proportional to 52,790.91, 79,076.19 and 31,663.95 is: 47,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,790.91 : 79,076.19 = 31,663.95 : x
  2. Step 2: Convert to fraction form
    52,790.91/79,076.19 = 31,663.95/x
  3. Step 3: Cross multiply
    52,790.91x = 79,076.19 × 31,663.95
  4. Step 4: Simplify right side
    52,790.91x = 2,503,864,526.35
  5. Step 5: Solve for x
    x = 2,503,864,526.35/52,790.91
  6. Step 6: Final answer
    x = 47,429.84

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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.