Home / 38,077.45-57,117.80-11,782.69

Finding the Fourth Proportional to 38,077.45, 57,117.80 and 11,782.69

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Solution

The fourth proportional to 38,077.45, 57,117.80 and 11,782.69 is: 17,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,077.45 : 57,117.80 = 11,782.69 : x
  2. Step 2: Convert to fraction form
    38,077.45/57,117.80 = 11,782.69/x
  3. Step 3: Cross multiply
    38,077.45x = 57,117.80 × 11,782.69
  4. Step 4: Simplify right side
    38,077.45x = 673,001,330.88
  5. Step 5: Solve for x
    x = 673,001,330.88/38,077.45
  6. Step 6: Final answer
    x = 17,674.54

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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.