Home / 50,717.84-76,047.18-21,100.18

Finding the Fourth Proportional to 50,717.84, 76,047.18 and 21,100.18

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Solution

The fourth proportional to 50,717.84, 76,047.18 and 21,100.18 is: 31,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,717.84 : 76,047.18 = 21,100.18 : x
  2. Step 2: Convert to fraction form
    50,717.84/76,047.18 = 21,100.18/x
  3. Step 3: Cross multiply
    50,717.84x = 76,047.18 × 21,100.18
  4. Step 4: Simplify right side
    50,717.84x = 1,604,609,186.49
  5. Step 5: Solve for x
    x = 1,604,609,186.49/50,717.84
  6. Step 6: Final answer
    x = 31,637.96

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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.