Home / 37,031.08-51,104.82-21,117.64

Finding the Fourth Proportional to 37,031.08, 51,104.82 and 21,117.64

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Solution

The fourth proportional to 37,031.08, 51,104.82 and 21,117.64 is: 29,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,031.08 : 51,104.82 = 21,117.64 : x
  2. Step 2: Convert to fraction form
    37,031.08/51,104.82 = 21,117.64/x
  3. Step 3: Cross multiply
    37,031.08x = 51,104.82 × 21,117.64
  4. Step 4: Simplify right side
    37,031.08x = 1,079,213,191.02
  5. Step 5: Solve for x
    x = 1,079,213,191.02/37,031.08
  6. Step 6: Final answer
    x = 29,143.44

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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.