Home / 33,042.50-45,568.40-21,707.50

Finding the Fourth Proportional to 33,042.50, 45,568.40 and 21,707.50

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Solution

The fourth proportional to 33,042.50, 45,568.40 and 21,707.50 is: 29,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,042.50 : 45,568.40 = 21,707.50 : x
  2. Step 2: Convert to fraction form
    33,042.50/45,568.40 = 21,707.50/x
  3. Step 3: Cross multiply
    33,042.50x = 45,568.40 × 21,707.50
  4. Step 4: Simplify right side
    33,042.50x = 989,176,043
  5. Step 5: Solve for x
    x = 989,176,043/33,042.50
  6. Step 6: Final answer
    x = 29,936.48

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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.