Home / 36,989.72-51,033.32-21,062.88

Finding the Fourth Proportional to 36,989.72, 51,033.32 and 21,062.88

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Solution

The fourth proportional to 36,989.72, 51,033.32 and 21,062.88 is: 29,059.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.72 : 51,033.32 = 21,062.88 : x
  2. Step 2: Convert to fraction form
    36,989.72/51,033.32 = 21,062.88/x
  3. Step 3: Cross multiply
    36,989.72x = 51,033.32 × 21,062.88
  4. Step 4: Simplify right side
    36,989.72x = 1,074,908,695.16
  5. Step 5: Solve for x
    x = 1,074,908,695.16/36,989.72
  6. Step 6: Final answer
    x = 29,059.66

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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.