Home / 50,160.80-69,165.18-31,987.28

Finding the Fourth Proportional to 50,160.80, 69,165.18 and 31,987.28

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Solution

The fourth proportional to 50,160.80, 69,165.18 and 31,987.28 is: 44,106.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,160.80 : 69,165.18 = 31,987.28 : x
  2. Step 2: Convert to fraction form
    50,160.80/69,165.18 = 31,987.28/x
  3. Step 3: Cross multiply
    50,160.80x = 69,165.18 × 31,987.28
  4. Step 4: Simplify right side
    50,160.80x = 2,212,405,978.91
  5. Step 5: Solve for x
    x = 2,212,405,978.91/50,160.80
  6. Step 6: Final answer
    x = 44,106.27

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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.