Home / 54,274.06-74,898.40-31,628.58

Finding the Fourth Proportional to 54,274.06, 74,898.40 and 31,628.58

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Solution

The fourth proportional to 54,274.06, 74,898.40 and 31,628.58 is: 43,647.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,274.06 : 74,898.40 = 31,628.58 : x
  2. Step 2: Convert to fraction form
    54,274.06/74,898.40 = 31,628.58/x
  3. Step 3: Cross multiply
    54,274.06x = 74,898.40 × 31,628.58
  4. Step 4: Simplify right side
    54,274.06x = 2,368,930,036.27
  5. Step 5: Solve for x
    x = 2,368,930,036.27/54,274.06
  6. Step 6: Final answer
    x = 43,647.56

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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.