Home / 39,240.72-54,144.45-22,013.64

Finding the Fourth Proportional to 39,240.72, 54,144.45 and 22,013.64

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Solution

The fourth proportional to 39,240.72, 54,144.45 and 22,013.64 is: 30,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,240.72 : 54,144.45 = 22,013.64 : x
  2. Step 2: Convert to fraction form
    39,240.72/54,144.45 = 22,013.64/x
  3. Step 3: Cross multiply
    39,240.72x = 54,144.45 × 22,013.64
  4. Step 4: Simplify right side
    39,240.72x = 1,191,916,430.30
  5. Step 5: Solve for x
    x = 1,191,916,430.30/39,240.72
  6. Step 6: Final answer
    x = 30,374.48

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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.