Home / 29,156.20-40,231.02-16,578.52

Finding the Fourth Proportional to 29,156.20, 40,231.02 and 16,578.52

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Solution

The fourth proportional to 29,156.20, 40,231.02 and 16,578.52 is: 22,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,156.20 : 40,231.02 = 16,578.52 : x
  2. Step 2: Convert to fraction form
    29,156.20/40,231.02 = 16,578.52/x
  3. Step 3: Cross multiply
    29,156.20x = 40,231.02 × 16,578.52
  4. Step 4: Simplify right side
    29,156.20x = 666,970,769.69
  5. Step 5: Solve for x
    x = 666,970,769.69/29,156.20
  6. Step 6: Final answer
    x = 22,875.78

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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.