Home / 87,009.49-130,538.74-33,717.57

Finding the Fourth Proportional to 87,009.49, 130,538.74 and 33,717.57

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Solution

The fourth proportional to 87,009.49, 130,538.74 and 33,717.57 is: 50,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,009.49 : 130,538.74 = 33,717.57 : x
  2. Step 2: Convert to fraction form
    87,009.49/130,538.74 = 33,717.57/x
  3. Step 3: Cross multiply
    87,009.49x = 130,538.74 × 33,717.57
  4. Step 4: Simplify right side
    87,009.49x = 4,401,448,450.97
  5. Step 5: Solve for x
    x = 4,401,448,450.97/87,009.49
  6. Step 6: Final answer
    x = 50,585.84

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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.