Home / 72,422.13-108,633.30-19,832.07

Finding the Fourth Proportional to 72,422.13, 108,633.30 and 19,832.07

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Solution

The fourth proportional to 72,422.13, 108,633.30 and 19,832.07 is: 29,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,422.13 : 108,633.30 = 19,832.07 : x
  2. Step 2: Convert to fraction form
    72,422.13/108,633.30 = 19,832.07/x
  3. Step 3: Cross multiply
    72,422.13x = 108,633.30 × 19,832.07
  4. Step 4: Simplify right side
    72,422.13x = 2,154,423,209.93
  5. Step 5: Solve for x
    x = 2,154,423,209.93/72,422.13
  6. Step 6: Final answer
    x = 29,748.13

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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.