Home / 50,851.20-76,276.08-19,664.40

Finding the Fourth Proportional to 50,851.20, 76,276.08 and 19,664.40

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Solution

The fourth proportional to 50,851.20, 76,276.08 and 19,664.40 is: 29,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,851.20 : 76,276.08 = 19,664.40 : x
  2. Step 2: Convert to fraction form
    50,851.20/76,276.08 = 19,664.40/x
  3. Step 3: Cross multiply
    50,851.20x = 76,276.08 × 19,664.40
  4. Step 4: Simplify right side
    50,851.20x = 1,499,923,347.55
  5. Step 5: Solve for x
    x = 1,499,923,347.55/50,851.20
  6. Step 6: Final answer
    x = 29,496.32

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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.