Home / 38,949.12-58,423.68-10,869.24

Finding the Fourth Proportional to 38,949.12, 58,423.68 and 10,869.24

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Solution

The fourth proportional to 38,949.12, 58,423.68 and 10,869.24 is: 16,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,949.12 : 58,423.68 = 10,869.24 : x
  2. Step 2: Convert to fraction form
    38,949.12/58,423.68 = 10,869.24/x
  3. Step 3: Cross multiply
    38,949.12x = 58,423.68 × 10,869.24
  4. Step 4: Simplify right side
    38,949.12x = 635,020,999.60
  5. Step 5: Solve for x
    x = 635,020,999.60/38,949.12
  6. Step 6: Final answer
    x = 16,303.86

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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.