Home / 71,904.65-107,856.98-21,984.75

Finding the Fourth Proportional to 71,904.65, 107,856.98 and 21,984.75

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Solution

The fourth proportional to 71,904.65, 107,856.98 and 21,984.75 is: 32,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,904.65 : 107,856.98 = 21,984.75 : x
  2. Step 2: Convert to fraction form
    71,904.65/107,856.98 = 21,984.75/x
  3. Step 3: Cross multiply
    71,904.65x = 107,856.98 × 21,984.75
  4. Step 4: Simplify right side
    71,904.65x = 2,371,208,612.46
  5. Step 5: Solve for x
    x = 2,371,208,612.46/71,904.65
  6. Step 6: Final answer
    x = 32,977.12

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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.