Home / 53,903.44-74,390.76-31,249.36

Finding the Fourth Proportional to 53,903.44, 74,390.76 and 31,249.36

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Solution

The fourth proportional to 53,903.44, 74,390.76 and 31,249.36 is: 43,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,903.44 : 74,390.76 = 31,249.36 : x
  2. Step 2: Convert to fraction form
    53,903.44/74,390.76 = 31,249.36/x
  3. Step 3: Cross multiply
    53,903.44x = 74,390.76 × 31,249.36
  4. Step 4: Simplify right side
    53,903.44x = 2,324,663,639.91
  5. Step 5: Solve for x
    x = 2,324,663,639.91/53,903.44
  6. Step 6: Final answer
    x = 43,126.44

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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.