Home / 45,515.90-62,813.88-25,372.78

Finding the Fourth Proportional to 45,515.90, 62,813.88 and 25,372.78

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Solution

The fourth proportional to 45,515.90, 62,813.88 and 25,372.78 is: 35,015.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515.90 : 62,813.88 = 25,372.78 : x
  2. Step 2: Convert to fraction form
    45,515.90/62,813.88 = 25,372.78/x
  3. Step 3: Cross multiply
    45,515.90x = 62,813.88 × 25,372.78
  4. Step 4: Simplify right side
    45,515.90x = 1,593,762,758.19
  5. Step 5: Solve for x
    x = 1,593,762,758.19/45,515.90
  6. Step 6: Final answer
    x = 35,015.52

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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.