Home / 48,738.80-72,962.40-42,906.80

Finding the Fourth Proportional to 48,738.80, 72,962.40 and 42,906.80

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Solution

The fourth proportional to 48,738.80, 72,962.40 and 42,906.80 is: 64,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,738.80 : 72,962.40 = 42,906.80 : x
  2. Step 2: Convert to fraction form
    48,738.80/72,962.40 = 42,906.80/x
  3. Step 3: Cross multiply
    48,738.80x = 72,962.40 × 42,906.80
  4. Step 4: Simplify right side
    48,738.80x = 3,130,583,104.32
  5. Step 5: Solve for x
    x = 3,130,583,104.32/48,738.80
  6. Step 6: Final answer
    x = 64,231.85

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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.