Home / 48,887.48-73,275.32-20,766.31

Finding the Fourth Proportional to 48,887.48, 73,275.32 and 20,766.31

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Solution

The fourth proportional to 48,887.48, 73,275.32 and 20,766.31 is: 31,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,887.48 : 73,275.32 = 20,766.31 : x
  2. Step 2: Convert to fraction form
    48,887.48/73,275.32 = 20,766.31/x
  3. Step 3: Cross multiply
    48,887.48x = 73,275.32 × 20,766.31
  4. Step 4: Simplify right side
    48,887.48x = 1,521,657,879.20
  5. Step 5: Solve for x
    x = 1,521,657,879.20/48,887.48
  6. Step 6: Final answer
    x = 31,125.72

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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.