Home / 40,670.40-61,063.20-25,118.40

Finding the Fourth Proportional to 40,670.40, 61,063.20 and 25,118.40

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Solution

The fourth proportional to 40,670.40, 61,063.20 and 25,118.40 is: 37,713.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,670.40 : 61,063.20 = 25,118.40 : x
  2. Step 2: Convert to fraction form
    40,670.40/61,063.20 = 25,118.40/x
  3. Step 3: Cross multiply
    40,670.40x = 61,063.20 × 25,118.40
  4. Step 4: Simplify right side
    40,670.40x = 1,533,809,882.88
  5. Step 5: Solve for x
    x = 1,533,809,882.88/40,670.40
  6. Step 6: Final answer
    x = 37,713.17

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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.