Home / 29,421.19-40,601.49-15,992.47

Finding the Fourth Proportional to 29,421.19, 40,601.49 and 15,992.47

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Solution

The fourth proportional to 29,421.19, 40,601.49 and 15,992.47 is: 22,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421.19 : 40,601.49 = 15,992.47 : x
  2. Step 2: Convert to fraction form
    29,421.19/40,601.49 = 15,992.47/x
  3. Step 3: Cross multiply
    29,421.19x = 40,601.49 × 15,992.47
  4. Step 4: Simplify right side
    29,421.19x = 649,318,110.78
  5. Step 5: Solve for x
    x = 649,318,110.78/29,421.19
  6. Step 6: Final answer
    x = 22,069.74

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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.