Home / 38,279.91-52,840.71-22,369.53

Finding the Fourth Proportional to 38,279.91, 52,840.71 and 22,369.53

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Solution

The fourth proportional to 38,279.91, 52,840.71 and 22,369.53 is: 30,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.91 : 52,840.71 = 22,369.53 : x
  2. Step 2: Convert to fraction form
    38,279.91/52,840.71 = 22,369.53/x
  3. Step 3: Cross multiply
    38,279.91x = 52,840.71 × 22,369.53
  4. Step 4: Simplify right side
    38,279.91x = 1,182,021,847.57
  5. Step 5: Solve for x
    x = 1,182,021,847.57/38,279.91
  6. Step 6: Final answer
    x = 30,878.39

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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.