Home / 35,975.28-49,640.09-21,631.68

Finding the Fourth Proportional to 35,975.28, 49,640.09 and 21,631.68

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Solution

The fourth proportional to 35,975.28, 49,640.09 and 21,631.68 is: 29,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,975.28 : 49,640.09 = 21,631.68 : x
  2. Step 2: Convert to fraction form
    35,975.28/49,640.09 = 21,631.68/x
  3. Step 3: Cross multiply
    35,975.28x = 49,640.09 × 21,631.68
  4. Step 4: Simplify right side
    35,975.28x = 1,073,798,433.89
  5. Step 5: Solve for x
    x = 1,073,798,433.89/35,975.28
  6. Step 6: Final answer
    x = 29,848.23

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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.