Home / 52,009.20-71,749.86-30,488.04

Finding the Fourth Proportional to 52,009.20, 71,749.86 and 30,488.04

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Solution

The fourth proportional to 52,009.20, 71,749.86 and 30,488.04 is: 42,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,009.20 : 71,749.86 = 30,488.04 : x
  2. Step 2: Convert to fraction form
    52,009.20/71,749.86 = 30,488.04/x
  3. Step 3: Cross multiply
    52,009.20x = 71,749.86 × 30,488.04
  4. Step 4: Simplify right side
    52,009.20x = 2,187,512,601.67
  5. Step 5: Solve for x
    x = 2,187,512,601.67/52,009.20
  6. Step 6: Final answer
    x = 42,060.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.