Home / 57,856.65-86,834.28-22,820.91

Finding the Fourth Proportional to 57,856.65, 86,834.28 and 22,820.91

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Solution

The fourth proportional to 57,856.65, 86,834.28 and 22,820.91 is: 34,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,856.65 : 86,834.28 = 22,820.91 : x
  2. Step 2: Convert to fraction form
    57,856.65/86,834.28 = 22,820.91/x
  3. Step 3: Cross multiply
    57,856.65x = 86,834.28 × 22,820.91
  4. Step 4: Simplify right side
    57,856.65x = 1,981,636,740.52
  5. Step 5: Solve for x
    x = 1,981,636,740.52/57,856.65
  6. Step 6: Final answer
    x = 34,250.81

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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.