Home / 39,530.33-54,552.28-21,624.95

Finding the Fourth Proportional to 39,530.33, 54,552.28 and 21,624.95

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Solution

The fourth proportional to 39,530.33, 54,552.28 and 21,624.95 is: 29,842.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,530.33 : 54,552.28 = 21,624.95 : x
  2. Step 2: Convert to fraction form
    39,530.33/54,552.28 = 21,624.95/x
  3. Step 3: Cross multiply
    39,530.33x = 54,552.28 × 21,624.95
  4. Step 4: Simplify right side
    39,530.33x = 1,179,690,408.48
  5. Step 5: Solve for x
    x = 1,179,690,408.48/39,530.33
  6. Step 6: Final answer
    x = 29,842.67

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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.