Home / 48,512.20-72,768.30-25,145.80

Finding the Fourth Proportional to 48,512.20, 72,768.30 and 25,145.80

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Solution

The fourth proportional to 48,512.20, 72,768.30 and 25,145.80 is: 37,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,512.20 : 72,768.30 = 25,145.80 : x
  2. Step 2: Convert to fraction form
    48,512.20/72,768.30 = 25,145.80/x
  3. Step 3: Cross multiply
    48,512.20x = 72,768.30 × 25,145.80
  4. Step 4: Simplify right side
    48,512.20x = 1,829,817,118.14
  5. Step 5: Solve for x
    x = 1,829,817,118.14/48,512.20
  6. Step 6: Final answer
    x = 37,718.70

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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.