Home / 64,849.42-89,476.97-39,355.22

Finding the Fourth Proportional to 64,849.42, 89,476.97 and 39,355.22

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Solution

The fourth proportional to 64,849.42, 89,476.97 and 39,355.22 is: 54,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,849.42 : 89,476.97 = 39,355.22 : x
  2. Step 2: Convert to fraction form
    64,849.42/89,476.97 = 39,355.22/x
  3. Step 3: Cross multiply
    64,849.42x = 89,476.97 × 39,355.22
  4. Step 4: Simplify right side
    64,849.42x = 3,521,385,839.28
  5. Step 5: Solve for x
    x = 3,521,385,839.28/64,849.42
  6. Step 6: Final answer
    x = 54,300.96

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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.