Home / 66,431.42-99,610.40-26,409.86

Finding the Fourth Proportional to 66,431.42, 99,610.40 and 26,409.86

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Solution

The fourth proportional to 66,431.42, 99,610.40 and 26,409.86 is: 39,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,431.42 : 99,610.40 = 26,409.86 : x
  2. Step 2: Convert to fraction form
    66,431.42/99,610.40 = 26,409.86/x
  3. Step 3: Cross multiply
    66,431.42x = 99,610.40 × 26,409.86
  4. Step 4: Simplify right side
    66,431.42x = 2,630,696,718.54
  5. Step 5: Solve for x
    x = 2,630,696,718.54/66,431.42
  6. Step 6: Final answer
    x = 39,600.19

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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.