Home / 45,639.48-68,463.54-17,931

Finding the Fourth Proportional to 45,639.48, 68,463.54 and 17,931

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Solution

The fourth proportional to 45,639.48, 68,463.54 and 17,931 is: 26,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,639.48 : 68,463.54 = 17,931 : x
  2. Step 2: Convert to fraction form
    45,639.48/68,463.54 = 17,931/x
  3. Step 3: Cross multiply
    45,639.48x = 68,463.54 × 17,931
  4. Step 4: Simplify right side
    45,639.48x = 1,227,619,735.74
  5. Step 5: Solve for x
    x = 1,227,619,735.74/45,639.48
  6. Step 6: Final answer
    x = 26,898.20

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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.