Home / 39,572.54-54,610.13-21,667.55

Finding the Fourth Proportional to 39,572.54, 54,610.13 and 21,667.55

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Solution

The fourth proportional to 39,572.54, 54,610.13 and 21,667.55 is: 29,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,572.54 : 54,610.13 = 21,667.55 : x
  2. Step 2: Convert to fraction form
    39,572.54/54,610.13 = 21,667.55/x
  3. Step 3: Cross multiply
    39,572.54x = 54,610.13 × 21,667.55
  4. Step 4: Simplify right side
    39,572.54x = 1,183,267,503.40
  5. Step 5: Solve for x
    x = 1,183,267,503.40/39,572.54
  6. Step 6: Final answer
    x = 29,901.22

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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.