Home / 50,455.20-75,682.80-15,390.30

Finding the Fourth Proportional to 50,455.20, 75,682.80 and 15,390.30

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Solution

The fourth proportional to 50,455.20, 75,682.80 and 15,390.30 is: 23,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,455.20 : 75,682.80 = 15,390.30 : x
  2. Step 2: Convert to fraction form
    50,455.20/75,682.80 = 15,390.30/x
  3. Step 3: Cross multiply
    50,455.20x = 75,682.80 × 15,390.30
  4. Step 4: Simplify right side
    50,455.20x = 1,164,780,996.84
  5. Step 5: Solve for x
    x = 1,164,780,996.84/50,455.20
  6. Step 6: Final answer
    x = 23,085.45

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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.