Home / 51,931.91-71,725.15-34,906.60

Finding the Fourth Proportional to 51,931.91, 71,725.15 and 34,906.60

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Solution

The fourth proportional to 51,931.91, 71,725.15 and 34,906.60 is: 48,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,931.91 : 71,725.15 = 34,906.60 : x
  2. Step 2: Convert to fraction form
    51,931.91/71,725.15 = 34,906.60/x
  3. Step 3: Cross multiply
    51,931.91x = 71,725.15 × 34,906.60
  4. Step 4: Simplify right side
    51,931.91x = 2,503,680,762.36
  5. Step 5: Solve for x
    x = 2,503,680,762.36/51,931.91
  6. Step 6: Final answer
    x = 48,210.84

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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.