Home / 37,031.04-51,101.57-21,120.62

Finding the Fourth Proportional to 37,031.04, 51,101.57 and 21,120.62

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Solution

The fourth proportional to 37,031.04, 51,101.57 and 21,120.62 is: 29,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,031.04 : 51,101.57 = 21,120.62 : x
  2. Step 2: Convert to fraction form
    37,031.04/51,101.57 = 21,120.62/x
  3. Step 3: Cross multiply
    37,031.04x = 51,101.57 × 21,120.62
  4. Step 4: Simplify right side
    37,031.04x = 1,079,296,480.26
  5. Step 5: Solve for x
    x = 1,079,296,480.26/37,031.04
  6. Step 6: Final answer
    x = 29,145.72

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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.