Home / 33,130.76-49,630.54-21,452.20

Finding the Fourth Proportional to 33,130.76, 49,630.54 and 21,452.20

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Solution

The fourth proportional to 33,130.76, 49,630.54 and 21,452.20 is: 32,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.76 : 49,630.54 = 21,452.20 : x
  2. Step 2: Convert to fraction form
    33,130.76/49,630.54 = 21,452.20/x
  3. Step 3: Cross multiply
    33,130.76x = 49,630.54 × 21,452.20
  4. Step 4: Simplify right side
    33,130.76x = 1,064,684,270.19
  5. Step 5: Solve for x
    x = 1,064,684,270.19/33,130.76
  6. Step 6: Final answer
    x = 32,135.82

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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.