Home / 31,646.86-43,671.23-17,306.30

Finding the Fourth Proportional to 31,646.86, 43,671.23 and 17,306.30

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Solution

The fourth proportional to 31,646.86, 43,671.23 and 17,306.30 is: 23,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,646.86 : 43,671.23 = 17,306.30 : x
  2. Step 2: Convert to fraction form
    31,646.86/43,671.23 = 17,306.30/x
  3. Step 3: Cross multiply
    31,646.86x = 43,671.23 × 17,306.30
  4. Step 4: Simplify right side
    31,646.86x = 755,787,407.75
  5. Step 5: Solve for x
    x = 755,787,407.75/31,646.86
  6. Step 6: Final answer
    x = 23,881.91

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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.