Home / 39,535.92-54,558.76-21,630.84

Finding the Fourth Proportional to 39,535.92, 54,558.76 and 21,630.84

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Solution

The fourth proportional to 39,535.92, 54,558.76 and 21,630.84 is: 29,850.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,535.92 : 54,558.76 = 21,630.84 : x
  2. Step 2: Convert to fraction form
    39,535.92/54,558.76 = 21,630.84/x
  3. Step 3: Cross multiply
    39,535.92x = 54,558.76 × 21,630.84
  4. Step 4: Simplify right side
    39,535.92x = 1,180,151,808.16
  5. Step 5: Solve for x
    x = 1,180,151,808.16/39,535.92
  6. Step 6: Final answer
    x = 29,850.12

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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.