Home / 67,187.48-92,716.75-36,972.78

Finding the Fourth Proportional to 67,187.48, 92,716.75 and 36,972.78

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Solution

The fourth proportional to 67,187.48, 92,716.75 and 36,972.78 is: 51,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,187.48 : 92,716.75 = 36,972.78 : x
  2. Step 2: Convert to fraction form
    67,187.48/92,716.75 = 36,972.78/x
  3. Step 3: Cross multiply
    67,187.48x = 92,716.75 × 36,972.78
  4. Step 4: Simplify right side
    67,187.48x = 3,427,996,000.07
  5. Step 5: Solve for x
    x = 3,427,996,000.07/67,187.48
  6. Step 6: Final answer
    x = 51,021.35

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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.