Home / 40,983.38-56,559.75-30,894.02

Finding the Fourth Proportional to 40,983.38, 56,559.75 and 30,894.02

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Solution

The fourth proportional to 40,983.38, 56,559.75 and 30,894.02 is: 42,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,983.38 : 56,559.75 = 30,894.02 : x
  2. Step 2: Convert to fraction form
    40,983.38/56,559.75 = 30,894.02/x
  3. Step 3: Cross multiply
    40,983.38x = 56,559.75 × 30,894.02
  4. Step 4: Simplify right side
    40,983.38x = 1,747,358,047.70
  5. Step 5: Solve for x
    x = 1,747,358,047.70/40,983.38
  6. Step 6: Final answer
    x = 42,635.77

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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.