Home / 31,482.30-43,444.68-17,872.86

Finding the Fourth Proportional to 31,482.30, 43,444.68 and 17,872.86

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Solution

The fourth proportional to 31,482.30, 43,444.68 and 17,872.86 is: 24,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482.30 : 43,444.68 = 17,872.86 : x
  2. Step 2: Convert to fraction form
    31,482.30/43,444.68 = 17,872.86/x
  3. Step 3: Cross multiply
    31,482.30x = 43,444.68 × 17,872.86
  4. Step 4: Simplify right side
    31,482.30x = 776,480,683.38
  5. Step 5: Solve for x
    x = 776,480,683.38/31,482.30
  6. Step 6: Final answer
    x = 24,664.04

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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.