Home / 48,723.66-67,217.22-28,570.32

Finding the Fourth Proportional to 48,723.66, 67,217.22 and 28,570.32

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Solution

The fourth proportional to 48,723.66, 67,217.22 and 28,570.32 is: 39,414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,723.66 : 67,217.22 = 28,570.32 : x
  2. Step 2: Convert to fraction form
    48,723.66/67,217.22 = 28,570.32/x
  3. Step 3: Cross multiply
    48,723.66x = 67,217.22 × 28,570.32
  4. Step 4: Simplify right side
    48,723.66x = 1,920,417,484.91
  5. Step 5: Solve for x
    x = 1,920,417,484.91/48,723.66
  6. Step 6: Final answer
    x = 39,414.48

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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.