Home / 48,557.44-72,865.32-20,475.76

Finding the Fourth Proportional to 48,557.44, 72,865.32 and 20,475.76

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Solution

The fourth proportional to 48,557.44, 72,865.32 and 20,475.76 is: 30,725.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,557.44 : 72,865.32 = 20,475.76 : x
  2. Step 2: Convert to fraction form
    48,557.44/72,865.32 = 20,475.76/x
  3. Step 3: Cross multiply
    48,557.44x = 72,865.32 × 20,475.76
  4. Step 4: Simplify right side
    48,557.44x = 1,491,972,804.64
  5. Step 5: Solve for x
    x = 1,491,972,804.64/48,557.44
  6. Step 6: Final answer
    x = 30,725.94

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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.