Home / 33,015.55-49,410.71-21,001.63

Finding the Fourth Proportional to 33,015.55, 49,410.71 and 21,001.63

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Solution

The fourth proportional to 33,015.55, 49,410.71 and 21,001.63 is: 31,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,015.55 : 49,410.71 = 21,001.63 : x
  2. Step 2: Convert to fraction form
    33,015.55/49,410.71 = 21,001.63/x
  3. Step 3: Cross multiply
    33,015.55x = 49,410.71 × 21,001.63
  4. Step 4: Simplify right side
    33,015.55x = 1,037,705,392.32
  5. Step 5: Solve for x
    x = 1,037,705,392.32/33,015.55
  6. Step 6: Final answer
    x = 31,430.81

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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.