Home / 29,390.42-40,561.28-16,645.83

Finding the Fourth Proportional to 29,390.42, 40,561.28 and 16,645.83

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Solution

The fourth proportional to 29,390.42, 40,561.28 and 16,645.83 is: 22,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,390.42 : 40,561.28 = 16,645.83 : x
  2. Step 2: Convert to fraction form
    29,390.42/40,561.28 = 16,645.83/x
  3. Step 3: Cross multiply
    29,390.42x = 40,561.28 × 16,645.83
  4. Step 4: Simplify right side
    29,390.42x = 675,176,171.46
  5. Step 5: Solve for x
    x = 675,176,171.46/29,390.42
  6. Step 6: Final answer
    x = 22,972.66

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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.