Home / 50,178.12-75,255-16,889.52

Finding the Fourth Proportional to 50,178.12, 75,255 and 16,889.52

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Solution

The fourth proportional to 50,178.12, 75,255 and 16,889.52 is: 25,330.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,178.12 : 75,255 = 16,889.52 : x
  2. Step 2: Convert to fraction form
    50,178.12/75,255 = 16,889.52/x
  3. Step 3: Cross multiply
    50,178.12x = 75,255 × 16,889.52
  4. Step 4: Simplify right side
    50,178.12x = 1,271,020,827.60
  5. Step 5: Solve for x
    x = 1,271,020,827.60/50,178.12
  6. Step 6: Final answer
    x = 25,330.18

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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.