Home / 69,262.15-103,899.11-21,864.56

Finding the Fourth Proportional to 69,262.15, 103,899.11 and 21,864.56

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Solution

The fourth proportional to 69,262.15, 103,899.11 and 21,864.56 is: 32,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,262.15 : 103,899.11 = 21,864.56 : x
  2. Step 2: Convert to fraction form
    69,262.15/103,899.11 = 21,864.56/x
  3. Step 3: Cross multiply
    69,262.15x = 103,899.11 × 21,864.56
  4. Step 4: Simplify right side
    69,262.15x = 2,271,708,119.46
  5. Step 5: Solve for x
    x = 2,271,708,119.46/69,262.15
  6. Step 6: Final answer
    x = 32,798.70

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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.