Home / 38,233.12-52,756.32-21,236.08

Finding the Fourth Proportional to 38,233.12, 52,756.32 and 21,236.08

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Solution

The fourth proportional to 38,233.12, 52,756.32 and 21,236.08 is: 29,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,233.12 : 52,756.32 = 21,236.08 : x
  2. Step 2: Convert to fraction form
    38,233.12/52,756.32 = 21,236.08/x
  3. Step 3: Cross multiply
    38,233.12x = 52,756.32 × 21,236.08
  4. Step 4: Simplify right side
    38,233.12x = 1,120,337,432.03
  5. Step 5: Solve for x
    x = 1,120,337,432.03/38,233.12
  6. Step 6: Final answer
    x = 29,302.80

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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.