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Finding the Fourth Proportional to 46,797.60, 64,576.80 and 25,576.80

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Solution

The fourth proportional to 46,797.60, 64,576.80 and 25,576.80 is: 35,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,797.60 : 64,576.80 = 25,576.80 : x
  2. Step 2: Convert to fraction form
    46,797.60/64,576.80 = 25,576.80/x
  3. Step 3: Cross multiply
    46,797.60x = 64,576.80 × 25,576.80
  4. Step 4: Simplify right side
    46,797.60x = 1,651,667,898.24
  5. Step 5: Solve for x
    x = 1,651,667,898.24/46,797.60
  6. Step 6: Final answer
    x = 35,293.86

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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.