Home / 39,572.80-54,609.73-21,667.48

Finding the Fourth Proportional to 39,572.80, 54,609.73 and 21,667.48

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Solution

The fourth proportional to 39,572.80, 54,609.73 and 21,667.48 is: 29,900.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,572.80 : 54,609.73 = 21,667.48 : x
  2. Step 2: Convert to fraction form
    39,572.80/54,609.73 = 21,667.48/x
  3. Step 3: Cross multiply
    39,572.80x = 54,609.73 × 21,667.48
  4. Step 4: Simplify right side
    39,572.80x = 1,183,255,232.58
  5. Step 5: Solve for x
    x = 1,183,255,232.58/39,572.80
  6. Step 6: Final answer
    x = 29,900.72

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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.