Home / 34,632.56-47,781.68-21,189.80

Finding the Fourth Proportional to 34,632.56, 47,781.68 and 21,189.80

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Solution

The fourth proportional to 34,632.56, 47,781.68 and 21,189.80 is: 29,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,632.56 : 47,781.68 = 21,189.80 : x
  2. Step 2: Convert to fraction form
    34,632.56/47,781.68 = 21,189.80/x
  3. Step 3: Cross multiply
    34,632.56x = 47,781.68 × 21,189.80
  4. Step 4: Simplify right side
    34,632.56x = 1,012,484,242.86
  5. Step 5: Solve for x
    x = 1,012,484,242.86/34,632.56
  6. Step 6: Final answer
    x = 29,235.04

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1.5x scale

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.