Home / 50,881.77-70,135.73-40,109.09

Finding the Fourth Proportional to 50,881.77, 70,135.73 and 40,109.09

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Solution

The fourth proportional to 50,881.77, 70,135.73 and 40,109.09 is: 55,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,881.77 : 70,135.73 = 40,109.09 : x
  2. Step 2: Convert to fraction form
    50,881.77/70,135.73 = 40,109.09/x
  3. Step 3: Cross multiply
    50,881.77x = 70,135.73 × 40,109.09
  4. Step 4: Simplify right side
    50,881.77x = 2,813,080,056.38
  5. Step 5: Solve for x
    x = 2,813,080,056.38/50,881.77
  6. Step 6: Final answer
    x = 55,286.60

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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.