Home / 53,431.07-73,734.86-29,557.76

Finding the Fourth Proportional to 53,431.07, 73,734.86 and 29,557.76

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Solution

The fourth proportional to 53,431.07, 73,734.86 and 29,557.76 is: 40,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,431.07 : 73,734.86 = 29,557.76 : x
  2. Step 2: Convert to fraction form
    53,431.07/73,734.86 = 29,557.76/x
  3. Step 3: Cross multiply
    53,431.07x = 73,734.86 × 29,557.76
  4. Step 4: Simplify right side
    53,431.07x = 2,179,437,249.23
  5. Step 5: Solve for x
    x = 2,179,437,249.23/53,431.07
  6. Step 6: Final answer
    x = 40,789.70

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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.