Home / 39,749.16-54,855.36-22,756.08

Finding the Fourth Proportional to 39,749.16, 54,855.36 and 22,756.08

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Solution

The fourth proportional to 39,749.16, 54,855.36 and 22,756.08 is: 31,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,749.16 : 54,855.36 = 22,756.08 : x
  2. Step 2: Convert to fraction form
    39,749.16/54,855.36 = 22,756.08/x
  3. Step 3: Cross multiply
    39,749.16x = 54,855.36 × 22,756.08
  4. Step 4: Simplify right side
    39,749.16x = 1,248,292,960.59
  5. Step 5: Solve for x
    x = 1,248,292,960.59/39,749.16
  6. Step 6: Final answer
    x = 31,404.26

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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.