Home / 39,749.78-54,854.60-22,754.08

Finding the Fourth Proportional to 39,749.78, 54,854.60 and 22,754.08

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Solution

The fourth proportional to 39,749.78, 54,854.60 and 22,754.08 is: 31,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,749.78 : 54,854.60 = 22,754.08 : x
  2. Step 2: Convert to fraction form
    39,749.78/54,854.60 = 22,754.08/x
  3. Step 3: Cross multiply
    39,749.78x = 54,854.60 × 22,754.08
  4. Step 4: Simplify right side
    39,749.78x = 1,248,165,956.77
  5. Step 5: Solve for x
    x = 1,248,165,956.77/39,749.78
  6. Step 6: Final answer
    x = 31,400.58

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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.