Home / 29,379.22-40,543.18-15,950.36

Finding the Fourth Proportional to 29,379.22, 40,543.18 and 15,950.36

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Solution

The fourth proportional to 29,379.22, 40,543.18 and 15,950.36 is: 22,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379.22 : 40,543.18 = 15,950.36 : x
  2. Step 2: Convert to fraction form
    29,379.22/40,543.18 = 15,950.36/x
  3. Step 3: Cross multiply
    29,379.22x = 40,543.18 × 15,950.36
  4. Step 4: Simplify right side
    29,379.22x = 646,678,316.54
  5. Step 5: Solve for x
    x = 646,678,316.54/29,379.22
  6. Step 6: Final answer
    x = 22,011.42

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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.