Home / 39,582.92-54,624.50-21,433.84

Finding the Fourth Proportional to 39,582.92, 54,624.50 and 21,433.84

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Solution

The fourth proportional to 39,582.92, 54,624.50 and 21,433.84 is: 29,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,582.92 : 54,624.50 = 21,433.84 : x
  2. Step 2: Convert to fraction form
    39,582.92/54,624.50 = 21,433.84/x
  3. Step 3: Cross multiply
    39,582.92x = 54,624.50 × 21,433.84
  4. Step 4: Simplify right side
    39,582.92x = 1,170,812,793.08
  5. Step 5: Solve for x
    x = 1,170,812,793.08/39,582.92
  6. Step 6: Final answer
    x = 29,578.74

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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.