Home / 66,646.14-99,835.29-31,619.58

Finding the Fourth Proportional to 66,646.14, 99,835.29 and 31,619.58

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Solution

The fourth proportional to 66,646.14, 99,835.29 and 31,619.58 is: 47,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,646.14 : 99,835.29 = 31,619.58 : x
  2. Step 2: Convert to fraction form
    66,646.14/99,835.29 = 31,619.58/x
  3. Step 3: Cross multiply
    66,646.14x = 99,835.29 × 31,619.58
  4. Step 4: Simplify right side
    66,646.14x = 3,156,749,938.98
  5. Step 5: Solve for x
    x = 3,156,749,938.98/66,646.14
  6. Step 6: Final answer
    x = 47,365.83

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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.