Home / 50,811.10-70,118.37-28,149.59

Finding the Fourth Proportional to 50,811.10, 70,118.37 and 28,149.59

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Solution

The fourth proportional to 50,811.10, 70,118.37 and 28,149.59 is: 38,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,811.10 : 70,118.37 = 28,149.59 : x
  2. Step 2: Convert to fraction form
    50,811.10/70,118.37 = 28,149.59/x
  3. Step 3: Cross multiply
    50,811.10x = 70,118.37 × 28,149.59
  4. Step 4: Simplify right side
    50,811.10x = 1,973,803,596.15
  5. Step 5: Solve for x
    x = 1,973,803,596.15/50,811.10
  6. Step 6: Final answer
    x = 38,845.91

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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.