Home / 29,311.32-40,445.28-16,561.11

Finding the Fourth Proportional to 29,311.32, 40,445.28 and 16,561.11

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Solution

The fourth proportional to 29,311.32, 40,445.28 and 16,561.11 is: 22,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.32 : 40,445.28 = 16,561.11 : x
  2. Step 2: Convert to fraction form
    29,311.32/40,445.28 = 16,561.11/x
  3. Step 3: Cross multiply
    29,311.32x = 40,445.28 × 16,561.11
  4. Step 4: Simplify right side
    29,311.32x = 669,818,731.06
  5. Step 5: Solve for x
    x = 669,818,731.06/29,311.32
  6. Step 6: Final answer
    x = 22,851.88

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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.