Home / 39,138.93-54,050.08-27,070.33

Finding the Fourth Proportional to 39,138.93, 54,050.08 and 27,070.33

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Solution

The fourth proportional to 39,138.93, 54,050.08 and 27,070.33 is: 37,383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,138.93 : 54,050.08 = 27,070.33 : x
  2. Step 2: Convert to fraction form
    39,138.93/54,050.08 = 27,070.33/x
  3. Step 3: Cross multiply
    39,138.93x = 54,050.08 × 27,070.33
  4. Step 4: Simplify right side
    39,138.93x = 1,463,153,502.13
  5. Step 5: Solve for x
    x = 1,463,153,502.13/39,138.93
  6. Step 6: Final answer
    x = 37,383.58

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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.