Home / 53,003.56-73,140.58-30,337.38

Finding the Fourth Proportional to 53,003.56, 73,140.58 and 30,337.38

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Solution

The fourth proportional to 53,003.56, 73,140.58 and 30,337.38 is: 41,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,003.56 : 73,140.58 = 30,337.38 : x
  2. Step 2: Convert to fraction form
    53,003.56/73,140.58 = 30,337.38/x
  3. Step 3: Cross multiply
    53,003.56x = 73,140.58 × 30,337.38
  4. Step 4: Simplify right side
    53,003.56x = 2,218,893,568.88
  5. Step 5: Solve for x
    x = 2,218,893,568.88/53,003.56
  6. Step 6: Final answer
    x = 41,863.10

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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.