Home / 51,649.86-77,449.19-18,364.92

Finding the Fourth Proportional to 51,649.86, 77,449.19 and 18,364.92

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Solution

The fourth proportional to 51,649.86, 77,449.19 and 18,364.92 is: 27,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,649.86 : 77,449.19 = 18,364.92 : x
  2. Step 2: Convert to fraction form
    51,649.86/77,449.19 = 18,364.92/x
  3. Step 3: Cross multiply
    51,649.86x = 77,449.19 × 18,364.92
  4. Step 4: Simplify right side
    51,649.86x = 1,422,348,086.59
  5. Step 5: Solve for x
    x = 1,422,348,086.59/51,649.86
  6. Step 6: Final answer
    x = 27,538.28

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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.