Home / 39,144.09-53,944.27-38,424.34

Finding the Fourth Proportional to 39,144.09, 53,944.27 and 38,424.34

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Solution

The fourth proportional to 39,144.09, 53,944.27 and 38,424.34 is: 52,952.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,144.09 : 53,944.27 = 38,424.34 : x
  2. Step 2: Convert to fraction form
    39,144.09/53,944.27 = 38,424.34/x
  3. Step 3: Cross multiply
    39,144.09x = 53,944.27 × 38,424.34
  4. Step 4: Simplify right side
    39,144.09x = 2,072,772,740.61
  5. Step 5: Solve for x
    x = 2,072,772,740.61/39,144.09
  6. Step 6: Final answer
    x = 52,952.38

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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.