Home / 39,419.90-54,400.73-22,423.70

Finding the Fourth Proportional to 39,419.90, 54,400.73 and 22,423.70

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Solution

The fourth proportional to 39,419.90, 54,400.73 and 22,423.70 is: 30,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,419.90 : 54,400.73 = 22,423.70 : x
  2. Step 2: Convert to fraction form
    39,419.90/54,400.73 = 22,423.70/x
  3. Step 3: Cross multiply
    39,419.90x = 54,400.73 × 22,423.70
  4. Step 4: Simplify right side
    39,419.90x = 1,219,865,537.18
  5. Step 5: Solve for x
    x = 1,219,865,537.18/39,419.90
  6. Step 6: Final answer
    x = 30,945.42

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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.