Home / 30,287.76-45,377.88-25,860.48

Finding the Fourth Proportional to 30,287.76, 45,377.88 and 25,860.48

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Solution

The fourth proportional to 30,287.76, 45,377.88 and 25,860.48 is: 38,744.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287.76 : 45,377.88 = 25,860.48 : x
  2. Step 2: Convert to fraction form
    30,287.76/45,377.88 = 25,860.48/x
  3. Step 3: Cross multiply
    30,287.76x = 45,377.88 × 25,860.48
  4. Step 4: Simplify right side
    30,287.76x = 1,173,493,758.18
  5. Step 5: Solve for x
    x = 1,173,493,758.18/30,287.76
  6. Step 6: Final answer
    x = 38,744.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.