Home / 61,218.42-91,847.48-30,031.80

Finding the Fourth Proportional to 61,218.42, 91,847.48 and 30,031.80

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Solution

The fourth proportional to 61,218.42, 91,847.48 and 30,031.80 is: 45,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,218.42 : 91,847.48 = 30,031.80 : x
  2. Step 2: Convert to fraction form
    61,218.42/91,847.48 = 30,031.80/x
  3. Step 3: Cross multiply
    61,218.42x = 91,847.48 × 30,031.80
  4. Step 4: Simplify right side
    61,218.42x = 2,758,345,379.48
  5. Step 5: Solve for x
    x = 2,758,345,379.48/61,218.42
  6. Step 6: Final answer
    x = 45,057.44

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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.