Home / 45,397.81-68,010.85-25,690.51

Finding the Fourth Proportional to 45,397.81, 68,010.85 and 25,690.51

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Solution

The fourth proportional to 45,397.81, 68,010.85 and 25,690.51 is: 38,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,397.81 : 68,010.85 = 25,690.51 : x
  2. Step 2: Convert to fraction form
    45,397.81/68,010.85 = 25,690.51/x
  3. Step 3: Cross multiply
    45,397.81x = 68,010.85 × 25,690.51
  4. Step 4: Simplify right side
    45,397.81x = 1,747,233,422.03
  5. Step 5: Solve for x
    x = 1,747,233,422.03/45,397.81
  6. Step 6: Final answer
    x = 38,487.17

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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.