Home / 74,667.90-112,000.41-18,508.13

Finding the Fourth Proportional to 74,667.90, 112,000.41 and 18,508.13

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Solution

The fourth proportional to 74,667.90, 112,000.41 and 18,508.13 is: 27,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,667.90 : 112,000.41 = 18,508.13 : x
  2. Step 2: Convert to fraction form
    74,667.90/112,000.41 = 18,508.13/x
  3. Step 3: Cross multiply
    74,667.90x = 112,000.41 × 18,508.13
  4. Step 4: Simplify right side
    74,667.90x = 2,072,917,588.33
  5. Step 5: Solve for x
    x = 2,072,917,588.33/74,667.90
  6. Step 6: Final answer
    x = 27,761.83

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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.