Home / 51,537.32-71,121.86-28,877.16

Finding the Fourth Proportional to 51,537.32, 71,121.86 and 28,877.16

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Solution

The fourth proportional to 51,537.32, 71,121.86 and 28,877.16 is: 39,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,537.32 : 71,121.86 = 28,877.16 : x
  2. Step 2: Convert to fraction form
    51,537.32/71,121.86 = 28,877.16/x
  3. Step 3: Cross multiply
    51,537.32x = 71,121.86 × 28,877.16
  4. Step 4: Simplify right side
    51,537.32x = 2,053,797,330.72
  5. Step 5: Solve for x
    x = 2,053,797,330.72/51,537.32
  6. Step 6: Final answer
    x = 39,850.68

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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.