Home / 64,872.31-89,532.39-38,025.40

Finding the Fourth Proportional to 64,872.31, 89,532.39 and 38,025.40

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Solution

The fourth proportional to 64,872.31, 89,532.39 and 38,025.40 is: 52,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,872.31 : 89,532.39 = 38,025.40 : x
  2. Step 2: Convert to fraction form
    64,872.31/89,532.39 = 38,025.40/x
  3. Step 3: Cross multiply
    64,872.31x = 89,532.39 × 38,025.40
  4. Step 4: Simplify right side
    64,872.31x = 3,404,504,942.71
  5. Step 5: Solve for x
    x = 3,404,504,942.71/64,872.31
  6. Step 6: Final answer
    x = 52,480.09

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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.