Home / 36,689.64-50,631.92-21,582.91

Finding the Fourth Proportional to 36,689.64, 50,631.92 and 21,582.91

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Solution

The fourth proportional to 36,689.64, 50,631.92 and 21,582.91 is: 29,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.64 : 50,631.92 = 21,582.91 : x
  2. Step 2: Convert to fraction form
    36,689.64/50,631.92 = 21,582.91/x
  3. Step 3: Cross multiply
    36,689.64x = 50,631.92 × 21,582.91
  4. Step 4: Simplify right side
    36,689.64x = 1,092,784,172.49
  5. Step 5: Solve for x
    x = 1,092,784,172.49/36,689.64
  6. Step 6: Final answer
    x = 29,784.54

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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.