Home / 51,364.64-77,043.72-18,087.68

Finding the Fourth Proportional to 51,364.64, 77,043.72 and 18,087.68

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Solution

The fourth proportional to 51,364.64, 77,043.72 and 18,087.68 is: 27,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,364.64 : 77,043.72 = 18,087.68 : x
  2. Step 2: Convert to fraction form
    51,364.64/77,043.72 = 18,087.68/x
  3. Step 3: Cross multiply
    51,364.64x = 77,043.72 × 18,087.68
  4. Step 4: Simplify right side
    51,364.64x = 1,393,542,153.37
  5. Step 5: Solve for x
    x = 1,393,542,153.37/51,364.64
  6. Step 6: Final answer
    x = 27,130.38

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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.