Home / 39,108.24-53,965.89-23,190.12

Finding the Fourth Proportional to 39,108.24, 53,965.89 and 23,190.12

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Solution

The fourth proportional to 39,108.24, 53,965.89 and 23,190.12 is: 32,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,108.24 : 53,965.89 = 23,190.12 : x
  2. Step 2: Convert to fraction form
    39,108.24/53,965.89 = 23,190.12/x
  3. Step 3: Cross multiply
    39,108.24x = 53,965.89 × 23,190.12
  4. Step 4: Simplify right side
    39,108.24x = 1,251,475,465.01
  5. Step 5: Solve for x
    x = 1,251,475,465.01/39,108.24
  6. Step 6: Final answer
    x = 32,000.30

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Double scale
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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.