Home / 37,708.40-52,031.79-21,789.77

Finding the Fourth Proportional to 37,708.40, 52,031.79 and 21,789.77

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Solution

The fourth proportional to 37,708.40, 52,031.79 and 21,789.77 is: 30,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,708.40 : 52,031.79 = 21,789.77 : x
  2. Step 2: Convert to fraction form
    37,708.40/52,031.79 = 21,789.77/x
  3. Step 3: Cross multiply
    37,708.40x = 52,031.79 × 21,789.77
  4. Step 4: Simplify right side
    37,708.40x = 1,133,760,736.79
  5. Step 5: Solve for x
    x = 1,133,760,736.79/37,708.40
  6. Step 6: Final answer
    x = 30,066.53

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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.