Home / 39,220.29-54,107.87-23,289.21

Finding the Fourth Proportional to 39,220.29, 54,107.87 and 23,289.21

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Solution

The fourth proportional to 39,220.29, 54,107.87 and 23,289.21 is: 32,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.29 : 54,107.87 = 23,289.21 : x
  2. Step 2: Convert to fraction form
    39,220.29/54,107.87 = 23,289.21/x
  3. Step 3: Cross multiply
    39,220.29x = 54,107.87 × 23,289.21
  4. Step 4: Simplify right side
    39,220.29x = 1,260,129,430.64
  5. Step 5: Solve for x
    x = 1,260,129,430.64/39,220.29
  6. Step 6: Final answer
    x = 32,129.53

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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.