Home / 51,633.50-77,432.71-17,891.64

Finding the Fourth Proportional to 51,633.50, 77,432.71 and 17,891.64

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Solution

The fourth proportional to 51,633.50, 77,432.71 and 17,891.64 is: 26,831.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,633.50 : 77,432.71 = 17,891.64 : x
  2. Step 2: Convert to fraction form
    51,633.50/77,432.71 = 17,891.64/x
  3. Step 3: Cross multiply
    51,633.50x = 77,432.71 × 17,891.64
  4. Step 4: Simplify right side
    51,633.50x = 1,385,398,403.20
  5. Step 5: Solve for x
    x = 1,385,398,403.20/51,633.50
  6. Step 6: Final answer
    x = 26,831.39

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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.