Home / 54,309.06-74,992.14-40,856.94

Finding the Fourth Proportional to 54,309.06, 74,992.14 and 40,856.94

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Solution

The fourth proportional to 54,309.06, 74,992.14 and 40,856.94 is: 56,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,309.06 : 74,992.14 = 40,856.94 : x
  2. Step 2: Convert to fraction form
    54,309.06/74,992.14 = 40,856.94/x
  3. Step 3: Cross multiply
    54,309.06x = 74,992.14 × 40,856.94
  4. Step 4: Simplify right side
    54,309.06x = 3,063,949,364.45
  5. Step 5: Solve for x
    x = 3,063,949,364.45/54,309.06
  6. Step 6: Final answer
    x = 56,416.91

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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.