Home / 36,988.37-51,031.45-21,061.54

Finding the Fourth Proportional to 36,988.37, 51,031.45 and 21,061.54

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Solution

The fourth proportional to 36,988.37, 51,031.45 and 21,061.54 is: 29,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,988.37 : 51,031.45 = 21,061.54 : x
  2. Step 2: Convert to fraction form
    36,988.37/51,031.45 = 21,061.54/x
  3. Step 3: Cross multiply
    36,988.37x = 51,031.45 × 21,061.54
  4. Step 4: Simplify right side
    36,988.37x = 1,074,800,820.13
  5. Step 5: Solve for x
    x = 1,074,800,820.13/36,988.37
  6. Step 6: Final answer
    x = 29,057.81

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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.