Home / 35,512.32-49,011.52-21,372.80

Finding the Fourth Proportional to 35,512.32, 49,011.52 and 21,372.80

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Solution

The fourth proportional to 35,512.32, 49,011.52 and 21,372.80 is: 29,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,512.32 : 49,011.52 = 21,372.80 : x
  2. Step 2: Convert to fraction form
    35,512.32/49,011.52 = 21,372.80/x
  3. Step 3: Cross multiply
    35,512.32x = 49,011.52 × 21,372.80
  4. Step 4: Simplify right side
    35,512.32x = 1,047,513,414.66
  5. Step 5: Solve for x
    x = 1,047,513,414.66/35,512.32
  6. Step 6: Final answer
    x = 29,497.18

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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.