Home / 45,390.38-62,638.72-25,518.38

Finding the Fourth Proportional to 45,390.38, 62,638.72 and 25,518.38

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Solution

The fourth proportional to 45,390.38, 62,638.72 and 25,518.38 is: 35,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,390.38 : 62,638.72 = 25,518.38 : x
  2. Step 2: Convert to fraction form
    45,390.38/62,638.72 = 25,518.38/x
  3. Step 3: Cross multiply
    45,390.38x = 62,638.72 × 25,518.38
  4. Step 4: Simplify right side
    45,390.38x = 1,598,438,282.68
  5. Step 5: Solve for x
    x = 1,598,438,282.68/45,390.38
  6. Step 6: Final answer
    x = 35,215.36

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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.