Home / 38,939.63-58,416.75-18,163.13

Finding the Fourth Proportional to 38,939.63, 58,416.75 and 18,163.13

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Solution

The fourth proportional to 38,939.63, 58,416.75 and 18,163.13 is: 27,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,939.63 : 58,416.75 = 18,163.13 : x
  2. Step 2: Convert to fraction form
    38,939.63/58,416.75 = 18,163.13/x
  3. Step 3: Cross multiply
    38,939.63x = 58,416.75 × 18,163.13
  4. Step 4: Simplify right side
    38,939.63x = 1,061,030,732.34
  5. Step 5: Solve for x
    x = 1,061,030,732.34/38,939.63
  6. Step 6: Final answer
    x = 27,248.10

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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.