Home / 32,882.31-45,366.84-20,122.20

Finding the Fourth Proportional to 32,882.31, 45,366.84 and 20,122.20

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Solution

The fourth proportional to 32,882.31, 45,366.84 and 20,122.20 is: 27,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,882.31 : 45,366.84 = 20,122.20 : x
  2. Step 2: Convert to fraction form
    32,882.31/45,366.84 = 20,122.20/x
  3. Step 3: Cross multiply
    32,882.31x = 45,366.84 × 20,122.20
  4. Step 4: Simplify right side
    32,882.31x = 912,880,627.85
  5. Step 5: Solve for x
    x = 912,880,627.85/32,882.31
  6. Step 6: Final answer
    x = 27,762.06

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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.