Home / 40,688.66-56,112.89-27,919.32

Finding the Fourth Proportional to 40,688.66, 56,112.89 and 27,919.32

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Solution

The fourth proportional to 40,688.66, 56,112.89 and 27,919.32 is: 38,502.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.66 : 56,112.89 = 27,919.32 : x
  2. Step 2: Convert to fraction form
    40,688.66/56,112.89 = 27,919.32/x
  3. Step 3: Cross multiply
    40,688.66x = 56,112.89 × 27,919.32
  4. Step 4: Simplify right side
    40,688.66x = 1,566,633,382.01
  5. Step 5: Solve for x
    x = 1,566,633,382.01/40,688.66
  6. Step 6: Final answer
    x = 38,502.95

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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.