Home / 68,560.15-94,607.13-39,880.39

Finding the Fourth Proportional to 68,560.15, 94,607.13 and 39,880.39

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Solution

The fourth proportional to 68,560.15, 94,607.13 and 39,880.39 is: 55,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,560.15 : 94,607.13 = 39,880.39 : x
  2. Step 2: Convert to fraction form
    68,560.15/94,607.13 = 39,880.39/x
  3. Step 3: Cross multiply
    68,560.15x = 94,607.13 × 39,880.39
  4. Step 4: Simplify right side
    68,560.15x = 3,772,969,241.18
  5. Step 5: Solve for x
    x = 3,772,969,241.18/68,560.15
  6. Step 6: Final answer
    x = 55,031.52

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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.