Home / 34,809.30-52,171.20-13,728.18

Finding the Fourth Proportional to 34,809.30, 52,171.20 and 13,728.18

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Solution

The fourth proportional to 34,809.30, 52,171.20 and 13,728.18 is: 20,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,809.30 : 52,171.20 = 13,728.18 : x
  2. Step 2: Convert to fraction form
    34,809.30/52,171.20 = 13,728.18/x
  3. Step 3: Cross multiply
    34,809.30x = 52,171.20 × 13,728.18
  4. Step 4: Simplify right side
    34,809.30x = 716,215,624.42
  5. Step 5: Solve for x
    x = 716,215,624.42/34,809.30
  6. Step 6: Final answer
    x = 20,575.41

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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.