Home / 38,070.48-57,110.40-11,777.76

Finding the Fourth Proportional to 38,070.48, 57,110.40 and 11,777.76

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Solution

The fourth proportional to 38,070.48, 57,110.40 and 11,777.76 is: 17,668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,070.48 : 57,110.40 = 11,777.76 : x
  2. Step 2: Convert to fraction form
    38,070.48/57,110.40 = 11,777.76/x
  3. Step 3: Cross multiply
    38,070.48x = 57,110.40 × 11,777.76
  4. Step 4: Simplify right side
    38,070.48x = 672,632,584.70
  5. Step 5: Solve for x
    x = 672,632,584.70/38,070.48
  6. Step 6: Final answer
    x = 17,668.09

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1.5x scale

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.