Home / 48,470.20-72,705.30-39,722.20

Finding the Fourth Proportional to 48,470.20, 72,705.30 and 39,722.20

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Solution

The fourth proportional to 48,470.20, 72,705.30 and 39,722.20 is: 59,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,470.20 : 72,705.30 = 39,722.20 : x
  2. Step 2: Convert to fraction form
    48,470.20/72,705.30 = 39,722.20/x
  3. Step 3: Cross multiply
    48,470.20x = 72,705.30 × 39,722.20
  4. Step 4: Simplify right side
    48,470.20x = 2,888,014,467.66
  5. Step 5: Solve for x
    x = 2,888,014,467.66/48,470.20
  6. Step 6: Final answer
    x = 59,583.30

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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.