Home / 53,540.14-73,895.70-30,893.72

Finding the Fourth Proportional to 53,540.14, 73,895.70 and 30,893.72

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Solution

The fourth proportional to 53,540.14, 73,895.70 and 30,893.72 is: 42,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,540.14 : 73,895.70 = 30,893.72 : x
  2. Step 2: Convert to fraction form
    53,540.14/73,895.70 = 30,893.72/x
  3. Step 3: Cross multiply
    53,540.14x = 73,895.70 × 30,893.72
  4. Step 4: Simplify right side
    53,540.14x = 2,282,913,065.00
  5. Step 5: Solve for x
    x = 2,282,913,065.00/53,540.14
  6. Step 6: Final answer
    x = 42,639.28

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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.