Home / 33,587.10-50,417.10-21,121.20

Finding the Fourth Proportional to 33,587.10, 50,417.10 and 21,121.20

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Solution

The fourth proportional to 33,587.10, 50,417.10 and 21,121.20 is: 31,704.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,587.10 : 50,417.10 = 21,121.20 : x
  2. Step 2: Convert to fraction form
    33,587.10/50,417.10 = 21,121.20/x
  3. Step 3: Cross multiply
    33,587.10x = 50,417.10 × 21,121.20
  4. Step 4: Simplify right side
    33,587.10x = 1,064,869,652.52
  5. Step 5: Solve for x
    x = 1,064,869,652.52/33,587.10
  6. Step 6: Final answer
    x = 31,704.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.