Home / 38,742.24-53,452.08-22,821.60

Finding the Fourth Proportional to 38,742.24, 53,452.08 and 22,821.60

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Solution

The fourth proportional to 38,742.24, 53,452.08 and 22,821.60 is: 31,486.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742.24 : 53,452.08 = 22,821.60 : x
  2. Step 2: Convert to fraction form
    38,742.24/53,452.08 = 22,821.60/x
  3. Step 3: Cross multiply
    38,742.24x = 53,452.08 × 22,821.60
  4. Step 4: Simplify right side
    38,742.24x = 1,219,861,988.93
  5. Step 5: Solve for x
    x = 1,219,861,988.93/38,742.24
  6. Step 6: Final answer
    x = 31,486.61

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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.