Home / 29,478.06-40,680.51-16,049.88

Finding the Fourth Proportional to 29,478.06, 40,680.51 and 16,049.88

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Solution

The fourth proportional to 29,478.06, 40,680.51 and 16,049.88 is: 22,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,478.06 : 40,680.51 = 16,049.88 : x
  2. Step 2: Convert to fraction form
    29,478.06/40,680.51 = 16,049.88/x
  3. Step 3: Cross multiply
    29,478.06x = 40,680.51 × 16,049.88
  4. Step 4: Simplify right side
    29,478.06x = 652,917,303.84
  5. Step 5: Solve for x
    x = 652,917,303.84/29,478.06
  6. Step 6: Final answer
    x = 22,149.26

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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.