Home / 68,317.20-94,280.08-39,634.70

Finding the Fourth Proportional to 68,317.20, 94,280.08 and 39,634.70

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Solution

The fourth proportional to 68,317.20, 94,280.08 and 39,634.70 is: 54,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,317.20 : 94,280.08 = 39,634.70 : x
  2. Step 2: Convert to fraction form
    68,317.20/94,280.08 = 39,634.70/x
  3. Step 3: Cross multiply
    68,317.20x = 94,280.08 × 39,634.70
  4. Step 4: Simplify right side
    68,317.20x = 3,736,762,686.78
  5. Step 5: Solve for x
    x = 3,736,762,686.78/68,317.20
  6. Step 6: Final answer
    x = 54,697.25

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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.