Home / 39,294.36-54,227.10-22,299.72

Finding the Fourth Proportional to 39,294.36, 54,227.10 and 22,299.72

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Solution

The fourth proportional to 39,294.36, 54,227.10 and 22,299.72 is: 30,774.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,294.36 : 54,227.10 = 22,299.72 : x
  2. Step 2: Convert to fraction form
    39,294.36/54,227.10 = 22,299.72/x
  3. Step 3: Cross multiply
    39,294.36x = 54,227.10 × 22,299.72
  4. Step 4: Simplify right side
    39,294.36x = 1,209,249,146.41
  5. Step 5: Solve for x
    x = 1,209,249,146.41/39,294.36
  6. Step 6: Final answer
    x = 30,774.11

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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.