Home / 38,937.51-53,754.45-31,196.58

Finding the Fourth Proportional to 38,937.51, 53,754.45 and 31,196.58

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Solution

The fourth proportional to 38,937.51, 53,754.45 and 31,196.58 is: 43,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,937.51 : 53,754.45 = 31,196.58 : x
  2. Step 2: Convert to fraction form
    38,937.51/53,754.45 = 31,196.58/x
  3. Step 3: Cross multiply
    38,937.51x = 53,754.45 × 31,196.58
  4. Step 4: Simplify right side
    38,937.51x = 1,676,954,999.78
  5. Step 5: Solve for x
    x = 1,676,954,999.78/38,937.51
  6. Step 6: Final answer
    x = 43,067.85

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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.