Home / 39,400.34-54,372.21-22,404.59

Finding the Fourth Proportional to 39,400.34, 54,372.21 and 22,404.59

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Solution

The fourth proportional to 39,400.34, 54,372.21 and 22,404.59 is: 30,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,400.34 : 54,372.21 = 22,404.59 : x
  2. Step 2: Convert to fraction form
    39,400.34/54,372.21 = 22,404.59/x
  3. Step 3: Cross multiply
    39,400.34x = 54,372.21 × 22,404.59
  4. Step 4: Simplify right side
    39,400.34x = 1,218,186,970.03
  5. Step 5: Solve for x
    x = 1,218,186,970.03/39,400.34
  6. Step 6: Final answer
    x = 30,918.18

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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.