Home / 35,169.90-48,557.10-31,386.57

Finding the Fourth Proportional to 35,169.90, 48,557.10 and 31,386.57

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Solution

The fourth proportional to 35,169.90, 48,557.10 and 31,386.57 is: 43,333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,169.90 : 48,557.10 = 31,386.57 : x
  2. Step 2: Convert to fraction form
    35,169.90/48,557.10 = 31,386.57/x
  3. Step 3: Cross multiply
    35,169.90x = 48,557.10 × 31,386.57
  4. Step 4: Simplify right side
    35,169.90x = 1,524,040,818.15
  5. Step 5: Solve for x
    x = 1,524,040,818.15/35,169.90
  6. Step 6: Final answer
    x = 43,333.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.