Home / 45,132.30-62,251.74-30,960.54

Finding the Fourth Proportional to 45,132.30, 62,251.74 and 30,960.54

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Solution

The fourth proportional to 45,132.30, 62,251.74 and 30,960.54 is: 42,704.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,132.30 : 62,251.74 = 30,960.54 : x
  2. Step 2: Convert to fraction form
    45,132.30/62,251.74 = 30,960.54/x
  3. Step 3: Cross multiply
    45,132.30x = 62,251.74 × 30,960.54
  4. Step 4: Simplify right side
    45,132.30x = 1,927,347,486.34
  5. Step 5: Solve for x
    x = 1,927,347,486.34/45,132.30
  6. Step 6: Final answer
    x = 42,704.39

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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.