Home / 48,662.20-72,878.10-29,999.80

Finding the Fourth Proportional to 48,662.20, 72,878.10 and 29,999.80

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Solution

The fourth proportional to 48,662.20, 72,878.10 and 29,999.80 is: 44,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,662.20 : 72,878.10 = 29,999.80 : x
  2. Step 2: Convert to fraction form
    48,662.20/72,878.10 = 29,999.80/x
  3. Step 3: Cross multiply
    48,662.20x = 72,878.10 × 29,999.80
  4. Step 4: Simplify right side
    48,662.20x = 2,186,328,424.38
  5. Step 5: Solve for x
    x = 2,186,328,424.38/48,662.20
  6. Step 6: Final answer
    x = 44,928.68

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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.