Home / 56,341.41-77,751.29-30,847.97

Finding the Fourth Proportional to 56,341.41, 77,751.29 and 30,847.97

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Solution

The fourth proportional to 56,341.41, 77,751.29 and 30,847.97 is: 42,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,341.41 : 77,751.29 = 30,847.97 : x
  2. Step 2: Convert to fraction form
    56,341.41/77,751.29 = 30,847.97/x
  3. Step 3: Cross multiply
    56,341.41x = 77,751.29 × 30,847.97
  4. Step 4: Simplify right side
    56,341.41x = 2,398,469,732.88
  5. Step 5: Solve for x
    x = 2,398,469,732.88/56,341.41
  6. Step 6: Final answer
    x = 42,570.29

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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.