Home / 55,854.90-83,756.03-20,291.14

Finding the Fourth Proportional to 55,854.90, 83,756.03 and 20,291.14

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Solution

The fourth proportional to 55,854.90, 83,756.03 and 20,291.14 is: 30,427.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,854.90 : 83,756.03 = 20,291.14 : x
  2. Step 2: Convert to fraction form
    55,854.90/83,756.03 = 20,291.14/x
  3. Step 3: Cross multiply
    55,854.90x = 83,756.03 × 20,291.14
  4. Step 4: Simplify right side
    55,854.90x = 1,699,505,019.73
  5. Step 5: Solve for x
    x = 1,699,505,019.73/55,854.90
  6. Step 6: Final answer
    x = 30,427.14

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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.