Home / 39,572.72-54,610.26-21,667.72

Finding the Fourth Proportional to 39,572.72, 54,610.26 and 21,667.72

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Solution

The fourth proportional to 39,572.72, 54,610.26 and 21,667.72 is: 29,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,572.72 : 54,610.26 = 21,667.72 : x
  2. Step 2: Convert to fraction form
    39,572.72/54,610.26 = 21,667.72/x
  3. Step 3: Cross multiply
    39,572.72x = 54,610.26 × 21,667.72
  4. Step 4: Simplify right side
    39,572.72x = 1,183,279,822.81
  5. Step 5: Solve for x
    x = 1,183,279,822.81/39,572.72
  6. Step 6: Final answer
    x = 29,901.40

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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.