Home / 45,102.56-62,272.16-28,113.60

Finding the Fourth Proportional to 45,102.56, 62,272.16 and 28,113.60

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Solution

The fourth proportional to 45,102.56, 62,272.16 and 28,113.60 is: 38,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,102.56 : 62,272.16 = 28,113.60 : x
  2. Step 2: Convert to fraction form
    45,102.56/62,272.16 = 28,113.60/x
  3. Step 3: Cross multiply
    45,102.56x = 62,272.16 × 28,113.60
  4. Step 4: Simplify right side
    45,102.56x = 1,750,694,597.38
  5. Step 5: Solve for x
    x = 1,750,694,597.38/45,102.56
  6. Step 6: Final answer
    x = 38,815.86

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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.