Home / 38,729.29-53,098.32-38,029.45

Finding the Fourth Proportional to 38,729.29, 53,098.32 and 38,029.45

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Solution

The fourth proportional to 38,729.29, 53,098.32 and 38,029.45 is: 52,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,729.29 : 53,098.32 = 38,029.45 : x
  2. Step 2: Convert to fraction form
    38,729.29/53,098.32 = 38,029.45/x
  3. Step 3: Cross multiply
    38,729.29x = 53,098.32 × 38,029.45
  4. Step 4: Simplify right side
    38,729.29x = 2,019,299,905.52
  5. Step 5: Solve for x
    x = 2,019,299,905.52/38,729.29
  6. Step 6: Final answer
    x = 52,138.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.