Home / 29,965.28-44,948.20-13,320.80

Finding the Fourth Proportional to 29,965.28, 44,948.20 and 13,320.80

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Solution

The fourth proportional to 29,965.28, 44,948.20 and 13,320.80 is: 19,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,965.28 : 44,948.20 = 13,320.80 : x
  2. Step 2: Convert to fraction form
    29,965.28/44,948.20 = 13,320.80/x
  3. Step 3: Cross multiply
    29,965.28x = 44,948.20 × 13,320.80
  4. Step 4: Simplify right side
    29,965.28x = 598,745,982.56
  5. Step 5: Solve for x
    x = 598,745,982.56/29,965.28
  6. Step 6: Final answer
    x = 19,981.32

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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.