Home / 38,874.78-58,320.66-12,582.18

Finding the Fourth Proportional to 38,874.78, 58,320.66 and 12,582.18

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Solution

The fourth proportional to 38,874.78, 58,320.66 and 12,582.18 is: 18,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,874.78 : 58,320.66 = 12,582.18 : x
  2. Step 2: Convert to fraction form
    38,874.78/58,320.66 = 12,582.18/x
  3. Step 3: Cross multiply
    38,874.78x = 58,320.66 × 12,582.18
  4. Step 4: Simplify right side
    38,874.78x = 733,801,041.84
  5. Step 5: Solve for x
    x = 733,801,041.84/38,874.78
  6. Step 6: Final answer
    x = 18,876.02

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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.