Home / 53,952.18-74,452.57-31,289.76

Finding the Fourth Proportional to 53,952.18, 74,452.57 and 31,289.76

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Solution

The fourth proportional to 53,952.18, 74,452.57 and 31,289.76 is: 43,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,952.18 : 74,452.57 = 31,289.76 : x
  2. Step 2: Convert to fraction form
    53,952.18/74,452.57 = 31,289.76/x
  3. Step 3: Cross multiply
    53,952.18x = 74,452.57 × 31,289.76
  4. Step 4: Simplify right side
    53,952.18x = 2,329,603,046.68
  5. Step 5: Solve for x
    x = 2,329,603,046.68/53,952.18
  6. Step 6: Final answer
    x = 43,179.03

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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.