Home / 53,177.86-73,384.51-28,979.04

Finding the Fourth Proportional to 53,177.86, 73,384.51 and 28,979.04

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Solution

The fourth proportional to 53,177.86, 73,384.51 and 28,979.04 is: 39,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,177.86 : 73,384.51 = 28,979.04 : x
  2. Step 2: Convert to fraction form
    53,177.86/73,384.51 = 28,979.04/x
  3. Step 3: Cross multiply
    53,177.86x = 73,384.51 × 28,979.04
  4. Step 4: Simplify right side
    53,177.86x = 2,126,612,650.67
  5. Step 5: Solve for x
    x = 2,126,612,650.67/53,177.86
  6. Step 6: Final answer
    x = 39,990.56

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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.