Home / 67,254.32-100,881.51-20,506.82

Finding the Fourth Proportional to 67,254.32, 100,881.51 and 20,506.82

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Solution

The fourth proportional to 67,254.32, 100,881.51 and 20,506.82 is: 30,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,254.32 : 100,881.51 = 20,506.82 : x
  2. Step 2: Convert to fraction form
    67,254.32/100,881.51 = 20,506.82/x
  3. Step 3: Cross multiply
    67,254.32x = 100,881.51 × 20,506.82
  4. Step 4: Simplify right side
    67,254.32x = 2,068,758,966.90
  5. Step 5: Solve for x
    x = 2,068,758,966.90/67,254.32
  6. Step 6: Final answer
    x = 30,760.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.