Home / 55,580.04-83,378.78-18,131.47

Finding the Fourth Proportional to 55,580.04, 83,378.78 and 18,131.47

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Solution

The fourth proportional to 55,580.04, 83,378.78 and 18,131.47 is: 27,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,580.04 : 83,378.78 = 18,131.47 : x
  2. Step 2: Convert to fraction form
    55,580.04/83,378.78 = 18,131.47/x
  3. Step 3: Cross multiply
    55,580.04x = 83,378.78 × 18,131.47
  4. Step 4: Simplify right side
    55,580.04x = 1,511,779,848.21
  5. Step 5: Solve for x
    x = 1,511,779,848.21/55,580.04
  6. Step 6: Final answer
    x = 27,200.05

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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.