Home / 39,099.92-53,957.85-21,194.76

Finding the Fourth Proportional to 39,099.92, 53,957.85 and 21,194.76

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Solution

The fourth proportional to 39,099.92, 53,957.85 and 21,194.76 is: 29,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,099.92 : 53,957.85 = 21,194.76 : x
  2. Step 2: Convert to fraction form
    39,099.92/53,957.85 = 21,194.76/x
  3. Step 3: Cross multiply
    39,099.92x = 53,957.85 × 21,194.76
  4. Step 4: Simplify right side
    39,099.92x = 1,143,623,803.73
  5. Step 5: Solve for x
    x = 1,143,623,803.73/39,099.92
  6. Step 6: Final answer
    x = 29,248.75

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1.5x scale

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.