Home / 56,013.30-77,297.49-30,863.70

Finding the Fourth Proportional to 56,013.30, 77,297.49 and 30,863.70

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Solution

The fourth proportional to 56,013.30, 77,297.49 and 30,863.70 is: 42,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,013.30 : 77,297.49 = 30,863.70 : x
  2. Step 2: Convert to fraction form
    56,013.30/77,297.49 = 30,863.70/x
  3. Step 3: Cross multiply
    56,013.30x = 77,297.49 × 30,863.70
  4. Step 4: Simplify right side
    56,013.30x = 2,385,686,542.11
  5. Step 5: Solve for x
    x = 2,385,686,542.11/56,013.30
  6. Step 6: Final answer
    x = 42,591.43

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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.