Home / 33,360.12-50,036.40-9,981

Finding the Fourth Proportional to 33,360.12, 50,036.40 and 9,981

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Solution

The fourth proportional to 33,360.12, 50,036.40 and 9,981 is: 14,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,360.12 : 50,036.40 = 9,981 : x
  2. Step 2: Convert to fraction form
    33,360.12/50,036.40 = 9,981/x
  3. Step 3: Cross multiply
    33,360.12x = 50,036.40 × 9,981
  4. Step 4: Simplify right side
    33,360.12x = 499,413,308.40
  5. Step 5: Solve for x
    x = 499,413,308.40/33,360.12
  6. Step 6: Final answer
    x = 14,970.37

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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.