Home / 51,941.59-77,912.38-12,498.71

Finding the Fourth Proportional to 51,941.59, 77,912.38 and 12,498.71

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Solution

The fourth proportional to 51,941.59, 77,912.38 and 12,498.71 is: 18,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,941.59 : 77,912.38 = 12,498.71 : x
  2. Step 2: Convert to fraction form
    51,941.59/77,912.38 = 12,498.71/x
  3. Step 3: Cross multiply
    51,941.59x = 77,912.38 × 12,498.71
  4. Step 4: Simplify right side
    51,941.59x = 973,804,015.18
  5. Step 5: Solve for x
    x = 973,804,015.18/51,941.59
  6. Step 6: Final answer
    x = 18,748.06

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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.