Home / 29,703.20-40,990.45-16,275.31

Finding the Fourth Proportional to 29,703.20, 40,990.45 and 16,275.31

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Solution

The fourth proportional to 29,703.20, 40,990.45 and 16,275.31 is: 22,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,703.20 : 40,990.45 = 16,275.31 : x
  2. Step 2: Convert to fraction form
    29,703.20/40,990.45 = 16,275.31/x
  3. Step 3: Cross multiply
    29,703.20x = 40,990.45 × 16,275.31
  4. Step 4: Simplify right side
    29,703.20x = 667,132,199.41
  5. Step 5: Solve for x
    x = 667,132,199.41/29,703.20
  6. Step 6: Final answer
    x = 22,459.95

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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.