Home / 61,989.42-85,544.96-35,131.70

Finding the Fourth Proportional to 61,989.42, 85,544.96 and 35,131.70

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Solution

The fourth proportional to 61,989.42, 85,544.96 and 35,131.70 is: 48,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,989.42 : 85,544.96 = 35,131.70 : x
  2. Step 2: Convert to fraction form
    61,989.42/85,544.96 = 35,131.70/x
  3. Step 3: Cross multiply
    61,989.42x = 85,544.96 × 35,131.70
  4. Step 4: Simplify right side
    61,989.42x = 3,005,339,871.23
  5. Step 5: Solve for x
    x = 3,005,339,871.23/61,989.42
  6. Step 6: Final answer
    x = 48,481.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.