Home / 29,335.68-40,490.28-16,767.72

Finding the Fourth Proportional to 29,335.68, 40,490.28 and 16,767.72

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Solution

The fourth proportional to 29,335.68, 40,490.28 and 16,767.72 is: 23,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,335.68 : 40,490.28 = 16,767.72 : x
  2. Step 2: Convert to fraction form
    29,335.68/40,490.28 = 16,767.72/x
  3. Step 3: Cross multiply
    29,335.68x = 40,490.28 × 16,767.72
  4. Step 4: Simplify right side
    29,335.68x = 678,929,677.76
  5. Step 5: Solve for x
    x = 678,929,677.76/29,335.68
  6. Step 6: Final answer
    x = 23,143.48

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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.