Home / 31,244.70-43,116.63-17,820.30

Finding the Fourth Proportional to 31,244.70, 43,116.63 and 17,820.30

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Solution

The fourth proportional to 31,244.70, 43,116.63 and 17,820.30 is: 24,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,244.70 : 43,116.63 = 17,820.30 : x
  2. Step 2: Convert to fraction form
    31,244.70/43,116.63 = 17,820.30/x
  3. Step 3: Cross multiply
    31,244.70x = 43,116.63 × 17,820.30
  4. Step 4: Simplify right side
    31,244.70x = 768,351,281.59
  5. Step 5: Solve for x
    x = 768,351,281.59/31,244.70
  6. Step 6: Final answer
    x = 24,591.41

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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.