Home / 55,672.26-76,827.60-30,521.76

Finding the Fourth Proportional to 55,672.26, 76,827.60 and 30,521.76

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Solution

The fourth proportional to 55,672.26, 76,827.60 and 30,521.76 is: 42,119.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,672.26 : 76,827.60 = 30,521.76 : x
  2. Step 2: Convert to fraction form
    55,672.26/76,827.60 = 30,521.76/x
  3. Step 3: Cross multiply
    55,672.26x = 76,827.60 × 30,521.76
  4. Step 4: Simplify right side
    55,672.26x = 2,344,913,568.58
  5. Step 5: Solve for x
    x = 2,344,913,568.58/55,672.26
  6. Step 6: Final answer
    x = 42,119.96

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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.