Home / 32,665.68-45,079.92-18,521.28

Finding the Fourth Proportional to 32,665.68, 45,079.92 and 18,521.28

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Solution

The fourth proportional to 32,665.68, 45,079.92 and 18,521.28 is: 25,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,665.68 : 45,079.92 = 18,521.28 : x
  2. Step 2: Convert to fraction form
    32,665.68/45,079.92 = 18,521.28/x
  3. Step 3: Cross multiply
    32,665.68x = 45,079.92 × 18,521.28
  4. Step 4: Simplify right side
    32,665.68x = 834,937,820.70
  5. Step 5: Solve for x
    x = 834,937,820.70/32,665.68
  6. Step 6: Final answer
    x = 25,560.09

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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.