Home / 37,031.37-51,102.26-21,114.87

Finding the Fourth Proportional to 37,031.37, 51,102.26 and 21,114.87

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Solution

The fourth proportional to 37,031.37, 51,102.26 and 21,114.87 is: 29,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,031.37 : 51,102.26 = 21,114.87 : x
  2. Step 2: Convert to fraction form
    37,031.37/51,102.26 = 21,114.87/x
  3. Step 3: Cross multiply
    37,031.37x = 51,102.26 × 21,114.87
  4. Step 4: Simplify right side
    37,031.37x = 1,079,017,215.52
  5. Step 5: Solve for x
    x = 1,079,017,215.52/37,031.37
  6. Step 6: Final answer
    x = 29,137.93

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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.