Home / 36,829.96-50,816.50-21,721.40

Finding the Fourth Proportional to 36,829.96, 50,816.50 and 21,721.40

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Solution

The fourth proportional to 36,829.96, 50,816.50 and 21,721.40 is: 29,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,829.96 : 50,816.50 = 21,721.40 : x
  2. Step 2: Convert to fraction form
    36,829.96/50,816.50 = 21,721.40/x
  3. Step 3: Cross multiply
    36,829.96x = 50,816.50 × 21,721.40
  4. Step 4: Simplify right side
    36,829.96x = 1,103,805,523.10
  5. Step 5: Solve for x
    x = 1,103,805,523.10/36,829.96
  6. Step 6: Final answer
    x = 29,970.32

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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.