Home / 39,284.58-54,218.56-23,146.74

Finding the Fourth Proportional to 39,284.58, 54,218.56 and 23,146.74

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Solution

The fourth proportional to 39,284.58, 54,218.56 and 23,146.74 is: 31,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,284.58 : 54,218.56 = 23,146.74 : x
  2. Step 2: Convert to fraction form
    39,284.58/54,218.56 = 23,146.74/x
  3. Step 3: Cross multiply
    39,284.58x = 54,218.56 × 23,146.74
  4. Step 4: Simplify right side
    39,284.58x = 1,254,982,911.49
  5. Step 5: Solve for x
    x = 1,254,982,911.49/39,284.58
  6. Step 6: Final answer
    x = 31,945.94

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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.