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Finding the Fourth Proportional to 63,660.63, 87,854.31 and 35,366.25

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Solution

The fourth proportional to 63,660.63, 87,854.31 and 35,366.25 is: 48,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,660.63 : 87,854.31 = 35,366.25 : x
  2. Step 2: Convert to fraction form
    63,660.63/87,854.31 = 35,366.25/x
  3. Step 3: Cross multiply
    63,660.63x = 87,854.31 × 35,366.25
  4. Step 4: Simplify right side
    63,660.63x = 3,107,077,491.04
  5. Step 5: Solve for x
    x = 3,107,077,491.04/63,660.63
  6. Step 6: Final answer
    x = 48,806.89

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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.