Home / 61,556.72-84,918.24-38,884.80

Finding the Fourth Proportional to 61,556.72, 84,918.24 and 38,884.80

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Solution

The fourth proportional to 61,556.72, 84,918.24 and 38,884.80 is: 53,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,556.72 : 84,918.24 = 38,884.80 : x
  2. Step 2: Convert to fraction form
    61,556.72/84,918.24 = 38,884.80/x
  3. Step 3: Cross multiply
    61,556.72x = 84,918.24 × 38,884.80
  4. Step 4: Simplify right side
    61,556.72x = 3,302,028,778.75
  5. Step 5: Solve for x
    x = 3,302,028,778.75/61,556.72
  6. Step 6: Final answer
    x = 53,642.05

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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.