Home / 51,551.94-77,340.20-18,274.92

Finding the Fourth Proportional to 51,551.94, 77,340.20 and 18,274.92

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Solution

The fourth proportional to 51,551.94, 77,340.20 and 18,274.92 is: 27,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,551.94 : 77,340.20 = 18,274.92 : x
  2. Step 2: Convert to fraction form
    51,551.94/77,340.20 = 18,274.92/x
  3. Step 3: Cross multiply
    51,551.94x = 77,340.20 × 18,274.92
  4. Step 4: Simplify right side
    51,551.94x = 1,413,385,967.78
  5. Step 5: Solve for x
    x = 1,413,385,967.78/51,551.94
  6. Step 6: Final answer
    x = 27,416.74

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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.