Home / 40,451.84-55,696.49-34,390.15

Finding the Fourth Proportional to 40,451.84, 55,696.49 and 34,390.15

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Solution

The fourth proportional to 40,451.84, 55,696.49 and 34,390.15 is: 47,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,451.84 : 55,696.49 = 34,390.15 : x
  2. Step 2: Convert to fraction form
    40,451.84/55,696.49 = 34,390.15/x
  3. Step 3: Cross multiply
    40,451.84x = 55,696.49 × 34,390.15
  4. Step 4: Simplify right side
    40,451.84x = 1,915,410,463.34
  5. Step 5: Solve for x
    x = 1,915,410,463.34/40,451.84
  6. Step 6: Final answer
    x = 47,350.39

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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.