Home / 43,938.84-65,918.70-14,356.62

Finding the Fourth Proportional to 43,938.84, 65,918.70 and 14,356.62

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Solution

The fourth proportional to 43,938.84, 65,918.70 and 14,356.62 is: 21,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,938.84 : 65,918.70 = 14,356.62 : x
  2. Step 2: Convert to fraction form
    43,938.84/65,918.70 = 14,356.62/x
  3. Step 3: Cross multiply
    43,938.84x = 65,918.70 × 14,356.62
  4. Step 4: Simplify right side
    43,938.84x = 946,369,726.79
  5. Step 5: Solve for x
    x = 946,369,726.79/43,938.84
  6. Step 6: Final answer
    x = 21,538.34

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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.