Home / 56,013.84-77,295.60-30,863.34

Finding the Fourth Proportional to 56,013.84, 77,295.60 and 30,863.34

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Solution

The fourth proportional to 56,013.84, 77,295.60 and 30,863.34 is: 42,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,013.84 : 77,295.60 = 30,863.34 : x
  2. Step 2: Convert to fraction form
    56,013.84/77,295.60 = 30,863.34/x
  3. Step 3: Cross multiply
    56,013.84x = 77,295.60 × 30,863.34
  4. Step 4: Simplify right side
    56,013.84x = 2,385,600,383.30
  5. Step 5: Solve for x
    x = 2,385,600,383.30/56,013.84
  6. Step 6: Final answer
    x = 42,589.48

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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.