Home / 55,420.52-83,118.11-22,131.63

Finding the Fourth Proportional to 55,420.52, 83,118.11 and 22,131.63

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Solution

The fourth proportional to 55,420.52, 83,118.11 and 22,131.63 is: 33,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,420.52 : 83,118.11 = 22,131.63 : x
  2. Step 2: Convert to fraction form
    55,420.52/83,118.11 = 22,131.63/x
  3. Step 3: Cross multiply
    55,420.52x = 83,118.11 × 22,131.63
  4. Step 4: Simplify right side
    55,420.52x = 1,839,539,146.16
  5. Step 5: Solve for x
    x = 1,839,539,146.16/55,420.52
  6. Step 6: Final answer
    x = 33,192.39

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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.