Home / 31,763.20-43,830.10-17,615.76

Finding the Fourth Proportional to 31,763.20, 43,830.10 and 17,615.76

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Solution

The fourth proportional to 31,763.20, 43,830.10 and 17,615.76 is: 24,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,763.20 : 43,830.10 = 17,615.76 : x
  2. Step 2: Convert to fraction form
    31,763.20/43,830.10 = 17,615.76/x
  3. Step 3: Cross multiply
    31,763.20x = 43,830.10 × 17,615.76
  4. Step 4: Simplify right side
    31,763.20x = 772,100,522.38
  5. Step 5: Solve for x
    x = 772,100,522.38/31,763.20
  6. Step 6: Final answer
    x = 24,308.02

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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.