Home / 37,117.34-51,221.48-20,121.62

Finding the Fourth Proportional to 37,117.34, 51,221.48 and 20,121.62

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Solution

The fourth proportional to 37,117.34, 51,221.48 and 20,121.62 is: 27,767.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,117.34 : 51,221.48 = 20,121.62 : x
  2. Step 2: Convert to fraction form
    37,117.34/51,221.48 = 20,121.62/x
  3. Step 3: Cross multiply
    37,117.34x = 51,221.48 × 20,121.62
  4. Step 4: Simplify right side
    37,117.34x = 1,030,659,156.40
  5. Step 5: Solve for x
    x = 1,030,659,156.40/37,117.34
  6. Step 6: Final answer
    x = 27,767.59

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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.