Home / 38,905.35-58,367.27-12,610.11

Finding the Fourth Proportional to 38,905.35, 58,367.27 and 12,610.11

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Solution

The fourth proportional to 38,905.35, 58,367.27 and 12,610.11 is: 18,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,905.35 : 58,367.27 = 12,610.11 : x
  2. Step 2: Convert to fraction form
    38,905.35/58,367.27 = 12,610.11/x
  3. Step 3: Cross multiply
    38,905.35x = 58,367.27 × 12,610.11
  4. Step 4: Simplify right side
    38,905.35x = 736,017,695.10
  5. Step 5: Solve for x
    x = 736,017,695.10/38,905.35
  6. Step 6: Final answer
    x = 18,918.16

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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.