Home / 52,096.97-78,145.46-12,653.82

Finding the Fourth Proportional to 52,096.97, 78,145.46 and 12,653.82

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Solution

The fourth proportional to 52,096.97, 78,145.46 and 12,653.82 is: 18,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,096.97 : 78,145.46 = 12,653.82 : x
  2. Step 2: Convert to fraction form
    52,096.97/78,145.46 = 12,653.82/x
  3. Step 3: Cross multiply
    52,096.97x = 78,145.46 × 12,653.82
  4. Step 4: Simplify right side
    52,096.97x = 988,838,398.59
  5. Step 5: Solve for x
    x = 988,838,398.59/52,096.97
  6. Step 6: Final answer
    x = 18,980.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.