Home / 35,113.72-52,691.36-12,942.52

Finding the Fourth Proportional to 35,113.72, 52,691.36 and 12,942.52

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Solution

The fourth proportional to 35,113.72, 52,691.36 and 12,942.52 is: 19,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,113.72 : 52,691.36 = 12,942.52 : x
  2. Step 2: Convert to fraction form
    35,113.72/52,691.36 = 12,942.52/x
  3. Step 3: Cross multiply
    35,113.72x = 52,691.36 × 12,942.52
  4. Step 4: Simplify right side
    35,113.72x = 681,958,980.63
  5. Step 5: Solve for x
    x = 681,958,980.63/35,113.72
  6. Step 6: Final answer
    x = 19,421.44

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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.