Home / 66,626.52-91,901.64-39,748.32

Finding the Fourth Proportional to 66,626.52, 91,901.64 and 39,748.32

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Solution

The fourth proportional to 66,626.52, 91,901.64 and 39,748.32 is: 54,827.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,626.52 : 91,901.64 = 39,748.32 : x
  2. Step 2: Convert to fraction form
    66,626.52/91,901.64 = 39,748.32/x
  3. Step 3: Cross multiply
    66,626.52x = 91,901.64 × 39,748.32
  4. Step 4: Simplify right side
    66,626.52x = 3,652,935,795.24
  5. Step 5: Solve for x
    x = 3,652,935,795.24/66,626.52
  6. Step 6: Final answer
    x = 54,827.05

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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.