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Finding the Fourth Proportional to 35,626.88, 49,180.88 and 21,291.80

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Solution

The fourth proportional to 35,626.88, 49,180.88 and 21,291.80 is: 29,392.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,626.88 : 49,180.88 = 21,291.80 : x
  2. Step 2: Convert to fraction form
    35,626.88/49,180.88 = 21,291.80/x
  3. Step 3: Cross multiply
    35,626.88x = 49,180.88 × 21,291.80
  4. Step 4: Simplify right side
    35,626.88x = 1,047,149,460.78
  5. Step 5: Solve for x
    x = 1,047,149,460.78/35,626.88
  6. Step 6: Final answer
    x = 29,392.12

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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.