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Finding the Fourth Proportional to 66,296.16, 91,498.16 and 37,622.87

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Solution

The fourth proportional to 66,296.16, 91,498.16 and 37,622.87 is: 51,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,296.16 : 91,498.16 = 37,622.87 : x
  2. Step 2: Convert to fraction form
    66,296.16/91,498.16 = 37,622.87/x
  3. Step 3: Cross multiply
    66,296.16x = 91,498.16 × 37,622.87
  4. Step 4: Simplify right side
    66,296.16x = 3,442,422,733.31
  5. Step 5: Solve for x
    x = 3,442,422,733.31/66,296.16
  6. Step 6: Final answer
    x = 51,924.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.