Home / 36,822.61-55,240.80-20,173.47

Finding the Fourth Proportional to 36,822.61, 55,240.80 and 20,173.47

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Solution

The fourth proportional to 36,822.61, 55,240.80 and 20,173.47 is: 30,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,822.61 : 55,240.80 = 20,173.47 : x
  2. Step 2: Convert to fraction form
    36,822.61/55,240.80 = 20,173.47/x
  3. Step 3: Cross multiply
    36,822.61x = 55,240.80 × 20,173.47
  4. Step 4: Simplify right side
    36,822.61x = 1,114,398,621.58
  5. Step 5: Solve for x
    x = 1,114,398,621.58/36,822.61
  6. Step 6: Final answer
    x = 30,263.98

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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.