Home / 36,725.84-50,679.72-20,810.48

Finding the Fourth Proportional to 36,725.84, 50,679.72 and 20,810.48

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Solution

The fourth proportional to 36,725.84, 50,679.72 and 20,810.48 is: 28,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,725.84 : 50,679.72 = 20,810.48 : x
  2. Step 2: Convert to fraction form
    36,725.84/50,679.72 = 20,810.48/x
  3. Step 3: Cross multiply
    36,725.84x = 50,679.72 × 20,810.48
  4. Step 4: Simplify right side
    36,725.84x = 1,054,669,299.47
  5. Step 5: Solve for x
    x = 1,054,669,299.47/36,725.84
  6. Step 6: Final answer
    x = 28,717.36

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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.