Home / 50,360.16-75,558.88-20,780.58

Finding the Fourth Proportional to 50,360.16, 75,558.88 and 20,780.58

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Solution

The fourth proportional to 50,360.16, 75,558.88 and 20,780.58 is: 31,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,360.16 : 75,558.88 = 20,780.58 : x
  2. Step 2: Convert to fraction form
    50,360.16/75,558.88 = 20,780.58/x
  3. Step 3: Cross multiply
    50,360.16x = 75,558.88 × 20,780.58
  4. Step 4: Simplify right side
    50,360.16x = 1,570,157,350.55
  5. Step 5: Solve for x
    x = 1,570,157,350.55/50,360.16
  6. Step 6: Final answer
    x = 31,178.56

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1.5x scale

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.