Home / 51,160.64-76,737.40-19,133.61

Finding the Fourth Proportional to 51,160.64, 76,737.40 and 19,133.61

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Solution

The fourth proportional to 51,160.64, 76,737.40 and 19,133.61 is: 28,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,160.64 : 76,737.40 = 19,133.61 : x
  2. Step 2: Convert to fraction form
    51,160.64/76,737.40 = 19,133.61/x
  3. Step 3: Cross multiply
    51,160.64x = 76,737.40 × 19,133.61
  4. Step 4: Simplify right side
    51,160.64x = 1,468,263,388.35
  5. Step 5: Solve for x
    x = 1,468,263,388.35/51,160.64
  6. Step 6: Final answer
    x = 28,699.08

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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.