Home / 45,153.17-67,724.38-11,875.84

Finding the Fourth Proportional to 45,153.17, 67,724.38 and 11,875.84

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Solution

The fourth proportional to 45,153.17, 67,724.38 and 11,875.84 is: 17,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,153.17 : 67,724.38 = 11,875.84 : x
  2. Step 2: Convert to fraction form
    45,153.17/67,724.38 = 11,875.84/x
  3. Step 3: Cross multiply
    45,153.17x = 67,724.38 × 11,875.84
  4. Step 4: Simplify right side
    45,153.17x = 804,283,701.98
  5. Step 5: Solve for x
    x = 804,283,701.98/45,153.17
  6. Step 6: Final answer
    x = 17,812.34

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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.