Home / 74,677.34-112,014.59-18,517.61

Finding the Fourth Proportional to 74,677.34, 112,014.59 and 18,517.61

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Solution

The fourth proportional to 74,677.34, 112,014.59 and 18,517.61 is: 27,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,677.34 : 112,014.59 = 18,517.61 : x
  2. Step 2: Convert to fraction form
    74,677.34/112,014.59 = 18,517.61/x
  3. Step 3: Cross multiply
    74,677.34x = 112,014.59 × 18,517.61
  4. Step 4: Simplify right side
    74,677.34x = 2,074,241,839.27
  5. Step 5: Solve for x
    x = 2,074,241,839.27/74,677.34
  6. Step 6: Final answer
    x = 27,776.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.