Home / 77,044.48-115,566.92-20,884.96

Finding the Fourth Proportional to 77,044.48, 115,566.92 and 20,884.96

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Solution

The fourth proportional to 77,044.48, 115,566.92 and 20,884.96 is: 31,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,044.48 : 115,566.92 = 20,884.96 : x
  2. Step 2: Convert to fraction form
    77,044.48/115,566.92 = 20,884.96/x
  3. Step 3: Cross multiply
    77,044.48x = 115,566.92 × 20,884.96
  4. Step 4: Simplify right side
    77,044.48x = 2,413,610,501.52
  5. Step 5: Solve for x
    x = 2,413,610,501.52/77,044.48
  6. Step 6: Final answer
    x = 31,327.49

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1.5x scale

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.