Home / 40,921.14-56,476.56-30,340.92

Finding the Fourth Proportional to 40,921.14, 56,476.56 and 30,340.92

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Solution

The fourth proportional to 40,921.14, 56,476.56 and 30,340.92 is: 41,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,921.14 : 56,476.56 = 30,340.92 : x
  2. Step 2: Convert to fraction form
    40,921.14/56,476.56 = 30,340.92/x
  3. Step 3: Cross multiply
    40,921.14x = 56,476.56 × 30,340.92
  4. Step 4: Simplify right side
    40,921.14x = 1,713,550,788.84
  5. Step 5: Solve for x
    x = 1,713,550,788.84/40,921.14
  6. Step 6: Final answer
    x = 41,874.46

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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.