Home / 45,138.78-62,271.86-27,223.83

Finding the Fourth Proportional to 45,138.78, 62,271.86 and 27,223.83

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Solution

The fourth proportional to 45,138.78, 62,271.86 and 27,223.83 is: 37,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,138.78 : 62,271.86 = 27,223.83 : x
  2. Step 2: Convert to fraction form
    45,138.78/62,271.86 = 27,223.83/x
  3. Step 3: Cross multiply
    45,138.78x = 62,271.86 × 27,223.83
  4. Step 4: Simplify right side
    45,138.78x = 1,695,278,394.30
  5. Step 5: Solve for x
    x = 1,695,278,394.30/45,138.78
  6. Step 6: Final answer
    x = 37,557.03

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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.