Home / 66,250.41-99,373.32-18,865.80

Finding the Fourth Proportional to 66,250.41, 99,373.32 and 18,865.80

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Solution

The fourth proportional to 66,250.41, 99,373.32 and 18,865.80 is: 28,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,250.41 : 99,373.32 = 18,865.80 : x
  2. Step 2: Convert to fraction form
    66,250.41/99,373.32 = 18,865.80/x
  3. Step 3: Cross multiply
    66,250.41x = 99,373.32 × 18,865.80
  4. Step 4: Simplify right side
    66,250.41x = 1,874,757,180.46
  5. Step 5: Solve for x
    x = 1,874,757,180.46/66,250.41
  6. Step 6: Final answer
    x = 28,298.05

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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.