Home / 69,302.12-103,966-21,929.14

Finding the Fourth Proportional to 69,302.12, 103,966 and 21,929.14

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Solution

The fourth proportional to 69,302.12, 103,966 and 21,929.14 is: 32,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,302.12 : 103,966 = 21,929.14 : x
  2. Step 2: Convert to fraction form
    69,302.12/103,966 = 21,929.14/x
  3. Step 3: Cross multiply
    69,302.12x = 103,966 × 21,929.14
  4. Step 4: Simplify right side
    69,302.12x = 2,279,884,969.24
  5. Step 5: Solve for x
    x = 2,279,884,969.24/69,302.12
  6. Step 6: Final answer
    x = 32,897.77

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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.