Home / 39,344.84-54,294.50-21,439.49

Finding the Fourth Proportional to 39,344.84, 54,294.50 and 21,439.49

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Solution

The fourth proportional to 39,344.84, 54,294.50 and 21,439.49 is: 29,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,344.84 : 54,294.50 = 21,439.49 : x
  2. Step 2: Convert to fraction form
    39,344.84/54,294.50 = 21,439.49/x
  3. Step 3: Cross multiply
    39,344.84x = 54,294.50 × 21,439.49
  4. Step 4: Simplify right side
    39,344.84x = 1,164,046,171.93
  5. Step 5: Solve for x
    x = 1,164,046,171.93/39,344.84
  6. Step 6: Final answer
    x = 29,585.74

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1.5x scale

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.