Home / 33,320.72-49,981.12-9,963.60

Finding the Fourth Proportional to 33,320.72, 49,981.12 and 9,963.60

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Solution

The fourth proportional to 33,320.72, 49,981.12 and 9,963.60 is: 14,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,320.72 : 49,981.12 = 9,963.60 : x
  2. Step 2: Convert to fraction form
    33,320.72/49,981.12 = 9,963.60/x
  3. Step 3: Cross multiply
    33,320.72x = 49,981.12 × 9,963.60
  4. Step 4: Simplify right side
    33,320.72x = 497,991,887.23
  5. Step 5: Solve for x
    x = 497,991,887.23/33,320.72
  6. Step 6: Final answer
    x = 14,945.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.