Home / 61,317.42-91,943.72-31,729.74

Finding the Fourth Proportional to 61,317.42, 91,943.72 and 31,729.74

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Solution

The fourth proportional to 61,317.42, 91,943.72 and 31,729.74 is: 47,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,317.42 : 91,943.72 = 31,729.74 : x
  2. Step 2: Convert to fraction form
    61,317.42/91,943.72 = 31,729.74/x
  3. Step 3: Cross multiply
    61,317.42x = 91,943.72 × 31,729.74
  4. Step 4: Simplify right side
    61,317.42x = 2,917,350,330.23
  5. Step 5: Solve for x
    x = 2,917,350,330.23/61,317.42
  6. Step 6: Final answer
    x = 47,577.84

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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.