Home / 40,631.18-60,970.05-21,911.13

Finding the Fourth Proportional to 40,631.18, 60,970.05 and 21,911.13

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Solution

The fourth proportional to 40,631.18, 60,970.05 and 21,911.13 is: 32,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,631.18 : 60,970.05 = 21,911.13 : x
  2. Step 2: Convert to fraction form
    40,631.18/60,970.05 = 21,911.13/x
  3. Step 3: Cross multiply
    40,631.18x = 60,970.05 × 21,911.13
  4. Step 4: Simplify right side
    40,631.18x = 1,335,922,691.66
  5. Step 5: Solve for x
    x = 1,335,922,691.66/40,631.18
  6. Step 6: Final answer
    x = 32,879.25

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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.