Home / 45,513.90-62,811.12-25,370.78

Finding the Fourth Proportional to 45,513.90, 62,811.12 and 25,370.78

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Solution

The fourth proportional to 45,513.90, 62,811.12 and 25,370.78 is: 35,012.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,513.90 : 62,811.12 = 25,370.78 : x
  2. Step 2: Convert to fraction form
    45,513.90/62,811.12 = 25,370.78/x
  3. Step 3: Cross multiply
    45,513.90x = 62,811.12 × 25,370.78
  4. Step 4: Simplify right side
    45,513.90x = 1,593,567,107.07
  5. Step 5: Solve for x
    x = 1,593,567,107.07/45,513.90
  6. Step 6: Final answer
    x = 35,012.76

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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.