Home / 40,944.29-61,417.19-12,863.81

Finding the Fourth Proportional to 40,944.29, 61,417.19 and 12,863.81

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Solution

The fourth proportional to 40,944.29, 61,417.19 and 12,863.81 is: 19,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,944.29 : 61,417.19 = 12,863.81 : x
  2. Step 2: Convert to fraction form
    40,944.29/61,417.19 = 12,863.81/x
  3. Step 3: Cross multiply
    40,944.29x = 61,417.19 × 12,863.81
  4. Step 4: Simplify right side
    40,944.29x = 790,059,152.12
  5. Step 5: Solve for x
    x = 790,059,152.12/40,944.29
  6. Step 6: Final answer
    x = 19,295.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.