Home / 31,293.30-43,175.21-17,863.77

Finding the Fourth Proportional to 31,293.30, 43,175.21 and 17,863.77

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Solution

The fourth proportional to 31,293.30, 43,175.21 and 17,863.77 is: 24,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.30 : 43,175.21 = 17,863.77 : x
  2. Step 2: Convert to fraction form
    31,293.30/43,175.21 = 17,863.77/x
  3. Step 3: Cross multiply
    31,293.30x = 43,175.21 × 17,863.77
  4. Step 4: Simplify right side
    31,293.30x = 771,271,931.82
  5. Step 5: Solve for x
    x = 771,271,931.82/31,293.30
  6. Step 6: Final answer
    x = 24,646.55

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Double scale
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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.