Home / 52,290.36-78,352.52-31,180.55

Finding the Fourth Proportional to 52,290.36, 78,352.52 and 31,180.55

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Solution

The fourth proportional to 52,290.36, 78,352.52 and 31,180.55 is: 46,721.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290.36 : 78,352.52 = 31,180.55 : x
  2. Step 2: Convert to fraction form
    52,290.36/78,352.52 = 31,180.55/x
  3. Step 3: Cross multiply
    52,290.36x = 78,352.52 × 31,180.55
  4. Step 4: Simplify right side
    52,290.36x = 2,443,074,119.82
  5. Step 5: Solve for x
    x = 2,443,074,119.82/52,290.36
  6. Step 6: Final answer
    x = 46,721.31

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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.