Home / 66,344.16-99,405.30-28,848

Finding the Fourth Proportional to 66,344.16, 99,405.30 and 28,848

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Solution

The fourth proportional to 66,344.16, 99,405.30 and 28,848 is: 43,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,344.16 : 99,405.30 = 28,848 : x
  2. Step 2: Convert to fraction form
    66,344.16/99,405.30 = 28,848/x
  3. Step 3: Cross multiply
    66,344.16x = 99,405.30 × 28,848
  4. Step 4: Simplify right side
    66,344.16x = 2,867,644,094.40
  5. Step 5: Solve for x
    x = 2,867,644,094.40/66,344.16
  6. Step 6: Final answer
    x = 43,223.76

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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.