Home / 55,545.11-83,317.88-13,425.12

Finding the Fourth Proportional to 55,545.11, 83,317.88 and 13,425.12

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Solution

The fourth proportional to 55,545.11, 83,317.88 and 13,425.12 is: 20,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,545.11 : 83,317.88 = 13,425.12 : x
  2. Step 2: Convert to fraction form
    55,545.11/83,317.88 = 13,425.12/x
  3. Step 3: Cross multiply
    55,545.11x = 83,317.88 × 13,425.12
  4. Step 4: Simplify right side
    55,545.11x = 1,118,552,537.15
  5. Step 5: Solve for x
    x = 1,118,552,537.15/55,545.11
  6. Step 6: Final answer
    x = 20,137.73

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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.