Home / 39,954.30-55,138.05-22,050.69

Finding the Fourth Proportional to 39,954.30, 55,138.05 and 22,050.69

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Solution

The fourth proportional to 39,954.30, 55,138.05 and 22,050.69 is: 30,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.30 : 55,138.05 = 22,050.69 : x
  2. Step 2: Convert to fraction form
    39,954.30/55,138.05 = 22,050.69/x
  3. Step 3: Cross multiply
    39,954.30x = 55,138.05 × 22,050.69
  4. Step 4: Simplify right side
    39,954.30x = 1,215,832,047.75
  5. Step 5: Solve for x
    x = 1,215,832,047.75/39,954.30
  6. Step 6: Final answer
    x = 30,430.57

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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.