Home / 51,397.12-70,912.02-28,732.92

Finding the Fourth Proportional to 51,397.12, 70,912.02 and 28,732.92

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Solution

The fourth proportional to 51,397.12, 70,912.02 and 28,732.92 is: 39,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,397.12 : 70,912.02 = 28,732.92 : x
  2. Step 2: Convert to fraction form
    51,397.12/70,912.02 = 28,732.92/x
  3. Step 3: Cross multiply
    51,397.12x = 70,912.02 × 28,732.92
  4. Step 4: Simplify right side
    51,397.12x = 2,037,509,397.70
  5. Step 5: Solve for x
    x = 2,037,509,397.70/51,397.12
  6. Step 6: Final answer
    x = 39,642.48

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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.