Home / 48,359.80-72,566.10-18,778.84

Finding the Fourth Proportional to 48,359.80, 72,566.10 and 18,778.84

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Solution

The fourth proportional to 48,359.80, 72,566.10 and 18,778.84 is: 28,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,359.80 : 72,566.10 = 18,778.84 : x
  2. Step 2: Convert to fraction form
    48,359.80/72,566.10 = 18,778.84/x
  3. Step 3: Cross multiply
    48,359.80x = 72,566.10 × 18,778.84
  4. Step 4: Simplify right side
    48,359.80x = 1,362,707,181.32
  5. Step 5: Solve for x
    x = 1,362,707,181.32/48,359.80
  6. Step 6: Final answer
    x = 28,178.51

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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.