Home / 48,722.30-73,102.65-19,135.10

Finding the Fourth Proportional to 48,722.30, 73,102.65 and 19,135.10

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Solution

The fourth proportional to 48,722.30, 73,102.65 and 19,135.10 is: 28,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,722.30 : 73,102.65 = 19,135.10 : x
  2. Step 2: Convert to fraction form
    48,722.30/73,102.65 = 19,135.10/x
  3. Step 3: Cross multiply
    48,722.30x = 73,102.65 × 19,135.10
  4. Step 4: Simplify right side
    48,722.30x = 1,398,826,518.02
  5. Step 5: Solve for x
    x = 1,398,826,518.02/48,722.30
  6. Step 6: Final answer
    x = 28,710.19

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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.