Home / 51,433.25-77,149.32-39,029.45

Finding the Fourth Proportional to 51,433.25, 77,149.32 and 39,029.45

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Solution

The fourth proportional to 51,433.25, 77,149.32 and 39,029.45 is: 58,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,433.25 : 77,149.32 = 39,029.45 : x
  2. Step 2: Convert to fraction form
    51,433.25/77,149.32 = 39,029.45/x
  3. Step 3: Cross multiply
    51,433.25x = 77,149.32 × 39,029.45
  4. Step 4: Simplify right side
    51,433.25x = 3,011,095,720.35
  5. Step 5: Solve for x
    x = 3,011,095,720.35/51,433.25
  6. Step 6: Final answer
    x = 58,543.75

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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.