Home / 55,041.04-82,561.56-22,186

Finding the Fourth Proportional to 55,041.04, 82,561.56 and 22,186

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Solution

The fourth proportional to 55,041.04, 82,561.56 and 22,186 is: 33,279

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,041.04 : 82,561.56 = 22,186 : x
  2. Step 2: Convert to fraction form
    55,041.04/82,561.56 = 22,186/x
  3. Step 3: Cross multiply
    55,041.04x = 82,561.56 × 22,186
  4. Step 4: Simplify right side
    55,041.04x = 1,831,710,770.16
  5. Step 5: Solve for x
    x = 1,831,710,770.16/55,041.04
  6. Step 6: Final answer
    x = 33,279

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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.