Home / 67,634.53-93,365.55-40,420.22

Finding the Fourth Proportional to 67,634.53, 93,365.55 and 40,420.22

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Solution

The fourth proportional to 67,634.53, 93,365.55 and 40,420.22 is: 55,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,634.53 : 93,365.55 = 40,420.22 : x
  2. Step 2: Convert to fraction form
    67,634.53/93,365.55 = 40,420.22/x
  3. Step 3: Cross multiply
    67,634.53x = 93,365.55 × 40,420.22
  4. Step 4: Simplify right side
    67,634.53x = 3,773,855,787.48
  5. Step 5: Solve for x
    x = 3,773,855,787.48/67,634.53
  6. Step 6: Final answer
    x = 55,797.77

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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.