Home / 31,254.11-43,122.14-17,820.46

Finding the Fourth Proportional to 31,254.11, 43,122.14 and 17,820.46

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Solution

The fourth proportional to 31,254.11, 43,122.14 and 17,820.46 is: 24,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.11 : 43,122.14 = 17,820.46 : x
  2. Step 2: Convert to fraction form
    31,254.11/43,122.14 = 17,820.46/x
  3. Step 3: Cross multiply
    31,254.11x = 43,122.14 × 17,820.46
  4. Step 4: Simplify right side
    31,254.11x = 768,456,523.34
  5. Step 5: Solve for x
    x = 768,456,523.34/31,254.11
  6. Step 6: Final answer
    x = 24,587.38

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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.