Home / 40,116.84-55,355.62-23,119.70

Finding the Fourth Proportional to 40,116.84, 55,355.62 and 23,119.70

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Solution

The fourth proportional to 40,116.84, 55,355.62 and 23,119.70 is: 31,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,116.84 : 55,355.62 = 23,119.70 : x
  2. Step 2: Convert to fraction form
    40,116.84/55,355.62 = 23,119.70/x
  3. Step 3: Cross multiply
    40,116.84x = 55,355.62 × 23,119.70
  4. Step 4: Simplify right side
    40,116.84x = 1,279,805,327.71
  5. Step 5: Solve for x
    x = 1,279,805,327.71/40,116.84
  6. Step 6: Final answer
    x = 31,901.95

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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.