Home / 50,215.02-75,275.40-16,911.78

Finding the Fourth Proportional to 50,215.02, 75,275.40 and 16,911.78

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Solution

The fourth proportional to 50,215.02, 75,275.40 and 16,911.78 is: 25,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,215.02 : 75,275.40 = 16,911.78 : x
  2. Step 2: Convert to fraction form
    50,215.02/75,275.40 = 16,911.78/x
  3. Step 3: Cross multiply
    50,215.02x = 75,275.40 × 16,911.78
  4. Step 4: Simplify right side
    50,215.02x = 1,273,041,004.21
  5. Step 5: Solve for x
    x = 1,273,041,004.21/50,215.02
  6. Step 6: Final answer
    x = 25,351.80

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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.