Home / 50,211.12-69,262.56-31,315.44

Finding the Fourth Proportional to 50,211.12, 69,262.56 and 31,315.44

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Solution

The fourth proportional to 50,211.12, 69,262.56 and 31,315.44 is: 43,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,211.12 : 69,262.56 = 31,315.44 : x
  2. Step 2: Convert to fraction form
    50,211.12/69,262.56 = 31,315.44/x
  3. Step 3: Cross multiply
    50,211.12x = 69,262.56 × 31,315.44
  4. Step 4: Simplify right side
    50,211.12x = 2,168,987,541.93
  5. Step 5: Solve for x
    x = 2,168,987,541.93/50,211.12
  6. Step 6: Final answer
    x = 43,197.35

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1.5x scale

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.