Home / 39,572.23-54,609.67-21,667.23

Finding the Fourth Proportional to 39,572.23, 54,609.67 and 21,667.23

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Solution

The fourth proportional to 39,572.23, 54,609.67 and 21,667.23 is: 29,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,572.23 : 54,609.67 = 21,667.23 : x
  2. Step 2: Convert to fraction form
    39,572.23/54,609.67 = 21,667.23/x
  3. Step 3: Cross multiply
    39,572.23x = 54,609.67 × 21,667.23
  4. Step 4: Simplify right side
    39,572.23x = 1,183,240,225.95
  5. Step 5: Solve for x
    x = 1,183,240,225.95/39,572.23
  6. Step 6: Final answer
    x = 29,900.77

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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.