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Finding the Fourth Proportional to 45,579, 62,901.18 and 25,707

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Solution

The fourth proportional to 45,579, 62,901.18 and 25,707 is: 35,476.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,579 : 62,901.18 = 25,707 : x
  2. Step 2: Convert to fraction form
    45,579/62,901.18 = 25,707/x
  3. Step 3: Cross multiply
    45,579x = 62,901.18 × 25,707
  4. Step 4: Simplify right side
    45,579x = 1,617,000,634.26
  5. Step 5: Solve for x
    x = 1,617,000,634.26/45,579
  6. Step 6: Final answer
    x = 35,476.88

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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.