Home / 35,631.84-49,171.68-21,492.48

Finding the Fourth Proportional to 35,631.84, 49,171.68 and 21,492.48

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Solution

The fourth proportional to 35,631.84, 49,171.68 and 21,492.48 is: 29,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,631.84 : 49,171.68 = 21,492.48 : x
  2. Step 2: Convert to fraction form
    35,631.84/49,171.68 = 21,492.48/x
  3. Step 3: Cross multiply
    35,631.84x = 49,171.68 × 21,492.48
  4. Step 4: Simplify right side
    35,631.84x = 1,056,821,348.97
  5. Step 5: Solve for x
    x = 1,056,821,348.97/35,631.84
  6. Step 6: Final answer
    x = 29,659.47

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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.