Home / 39,651.52-54,720.48-21,746.56

Finding the Fourth Proportional to 39,651.52, 54,720.48 and 21,746.56

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Solution

The fourth proportional to 39,651.52, 54,720.48 and 21,746.56 is: 30,011.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,651.52 : 54,720.48 = 21,746.56 : x
  2. Step 2: Convert to fraction form
    39,651.52/54,720.48 = 21,746.56/x
  3. Step 3: Cross multiply
    39,651.52x = 54,720.48 × 21,746.56
  4. Step 4: Simplify right side
    39,651.52x = 1,189,982,201.55
  5. Step 5: Solve for x
    x = 1,189,982,201.55/39,651.52
  6. Step 6: Final answer
    x = 30,011.01

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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.