Home / 34,632.68-47,781.86-21,189.92

Finding the Fourth Proportional to 34,632.68, 47,781.86 and 21,189.92

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Solution

The fourth proportional to 34,632.68, 47,781.86 and 21,189.92 is: 29,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,632.68 : 47,781.86 = 21,189.92 : x
  2. Step 2: Convert to fraction form
    34,632.68/47,781.86 = 21,189.92/x
  3. Step 3: Cross multiply
    34,632.68x = 47,781.86 × 21,189.92
  4. Step 4: Simplify right side
    34,632.68x = 1,012,493,445.99
  5. Step 5: Solve for x
    x = 1,012,493,445.99/34,632.68
  6. Step 6: Final answer
    x = 29,235.21

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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.