Home / 48,388.46-72,587.34-18,808.61

Finding the Fourth Proportional to 48,388.46, 72,587.34 and 18,808.61

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Solution

The fourth proportional to 48,388.46, 72,587.34 and 18,808.61 is: 28,214.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388.46 : 72,587.34 = 18,808.61 : x
  2. Step 2: Convert to fraction form
    48,388.46/72,587.34 = 18,808.61/x
  3. Step 3: Cross multiply
    48,388.46x = 72,587.34 × 18,808.61
  4. Step 4: Simplify right side
    48,388.46x = 1,365,266,606.06
  5. Step 5: Solve for x
    x = 1,365,266,606.06/48,388.46
  6. Step 6: Final answer
    x = 28,214.72

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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.