Home / 35,511.38-53,276.18-12,137.82

Finding the Fourth Proportional to 35,511.38, 53,276.18 and 12,137.82

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Solution

The fourth proportional to 35,511.38, 53,276.18 and 12,137.82 is: 18,209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,511.38 : 53,276.18 = 12,137.82 : x
  2. Step 2: Convert to fraction form
    35,511.38/53,276.18 = 12,137.82/x
  3. Step 3: Cross multiply
    35,511.38x = 53,276.18 × 12,137.82
  4. Step 4: Simplify right side
    35,511.38x = 646,656,683.13
  5. Step 5: Solve for x
    x = 646,656,683.13/35,511.38
  6. Step 6: Final answer
    x = 18,209.84

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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.