Home / 66,346.62-99,525.54-18,961.98

Finding the Fourth Proportional to 66,346.62, 99,525.54 and 18,961.98

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Solution

The fourth proportional to 66,346.62, 99,525.54 and 18,961.98 is: 28,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,346.62 : 99,525.54 = 18,961.98 : x
  2. Step 2: Convert to fraction form
    66,346.62/99,525.54 = 18,961.98/x
  3. Step 3: Cross multiply
    66,346.62x = 99,525.54 × 18,961.98
  4. Step 4: Simplify right side
    66,346.62x = 1,887,201,298.97
  5. Step 5: Solve for x
    x = 1,887,201,298.97/66,346.62
  6. Step 6: Final answer
    x = 28,444.57

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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.