Home / 29,139.32-43,718.20-10,418.94

Finding the Fourth Proportional to 29,139.32, 43,718.20 and 10,418.94

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Solution

The fourth proportional to 29,139.32, 43,718.20 and 10,418.94 is: 15,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139.32 : 43,718.20 = 10,418.94 : x
  2. Step 2: Convert to fraction form
    29,139.32/43,718.20 = 10,418.94/x
  3. Step 3: Cross multiply
    29,139.32x = 43,718.20 × 10,418.94
  4. Step 4: Simplify right side
    29,139.32x = 455,497,302.71
  5. Step 5: Solve for x
    x = 455,497,302.71/29,139.32
  6. Step 6: Final answer
    x = 15,631.71

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1.5x scale

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.