Home / 30,131.14-45,206.44-25,251.70

Finding the Fourth Proportional to 30,131.14, 45,206.44 and 25,251.70

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Solution

The fourth proportional to 30,131.14, 45,206.44 and 25,251.70 is: 37,885.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131.14 : 45,206.44 = 25,251.70 : x
  2. Step 2: Convert to fraction form
    30,131.14/45,206.44 = 25,251.70/x
  3. Step 3: Cross multiply
    30,131.14x = 45,206.44 × 25,251.70
  4. Step 4: Simplify right side
    30,131.14x = 1,141,539,460.95
  5. Step 5: Solve for x
    x = 1,141,539,460.95/30,131.14
  6. Step 6: Final answer
    x = 37,885.70

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1.5x scale

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.