Home / 39,749.16-54,847.59-22,749.48

Finding the Fourth Proportional to 39,749.16, 54,847.59 and 22,749.48

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Solution

The fourth proportional to 39,749.16, 54,847.59 and 22,749.48 is: 31,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,749.16 : 54,847.59 = 22,749.48 : x
  2. Step 2: Convert to fraction form
    39,749.16/54,847.59 = 22,749.48/x
  3. Step 3: Cross multiply
    39,749.16x = 54,847.59 × 22,749.48
  4. Step 4: Simplify right side
    39,749.16x = 1,247,754,151.75
  5. Step 5: Solve for x
    x = 1,247,754,151.75/39,749.16
  6. Step 6: Final answer
    x = 31,390.70

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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.