Home / 31,433.40-43,377.12-17,284.86

Finding the Fourth Proportional to 31,433.40, 43,377.12 and 17,284.86

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Solution

The fourth proportional to 31,433.40, 43,377.12 and 17,284.86 is: 23,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.40 : 43,377.12 = 17,284.86 : x
  2. Step 2: Convert to fraction form
    31,433.40/43,377.12 = 17,284.86/x
  3. Step 3: Cross multiply
    31,433.40x = 43,377.12 × 17,284.86
  4. Step 4: Simplify right side
    31,433.40x = 749,767,446.40
  5. Step 5: Solve for x
    x = 749,767,446.40/31,433.40
  6. Step 6: Final answer
    x = 23,852.57

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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.