Home / 45,915.80-63,358.92-25,774.89

Finding the Fourth Proportional to 45,915.80, 63,358.92 and 25,774.89

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Solution

The fourth proportional to 45,915.80, 63,358.92 and 25,774.89 is: 35,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,915.80 : 63,358.92 = 25,774.89 : x
  2. Step 2: Convert to fraction form
    45,915.80/63,358.92 = 25,774.89/x
  3. Step 3: Cross multiply
    45,915.80x = 63,358.92 × 25,774.89
  4. Step 4: Simplify right side
    45,915.80x = 1,633,069,290.17
  5. Step 5: Solve for x
    x = 1,633,069,290.17/45,915.80
  6. Step 6: Final answer
    x = 35,566.61

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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.