Home / 71,904.30-107,856.75-21,984.24

Finding the Fourth Proportional to 71,904.30, 107,856.75 and 21,984.24

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Solution

The fourth proportional to 71,904.30, 107,856.75 and 21,984.24 is: 32,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,904.30 : 107,856.75 = 21,984.24 : x
  2. Step 2: Convert to fraction form
    71,904.30/107,856.75 = 21,984.24/x
  3. Step 3: Cross multiply
    71,904.30x = 107,856.75 × 21,984.24
  4. Step 4: Simplify right side
    71,904.30x = 2,371,148,677.62
  5. Step 5: Solve for x
    x = 2,371,148,677.62/71,904.30
  6. Step 6: Final answer
    x = 32,976.45

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1.5x scale

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.