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Finding the Fourth Proportional to 48,352.68, 72,495 and 18,745.56

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Solution

The fourth proportional to 48,352.68, 72,495 and 18,745.56 is: 28,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,352.68 : 72,495 = 18,745.56 : x
  2. Step 2: Convert to fraction form
    48,352.68/72,495 = 18,745.56/x
  3. Step 3: Cross multiply
    48,352.68x = 72,495 × 18,745.56
  4. Step 4: Simplify right side
    48,352.68x = 1,358,959,372.20
  5. Step 5: Solve for x
    x = 1,358,959,372.20/48,352.68
  6. Step 6: Final answer
    x = 28,105.15

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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.