Home / 34,724.53-47,917.37-20,384.95

Finding the Fourth Proportional to 34,724.53, 47,917.37 and 20,384.95

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Solution

The fourth proportional to 34,724.53, 47,917.37 and 20,384.95 is: 28,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,724.53 : 47,917.37 = 20,384.95 : x
  2. Step 2: Convert to fraction form
    34,724.53/47,917.37 = 20,384.95/x
  3. Step 3: Cross multiply
    34,724.53x = 47,917.37 × 20,384.95
  4. Step 4: Simplify right side
    34,724.53x = 976,793,089.66
  5. Step 5: Solve for x
    x = 976,793,089.66/34,724.53
  6. Step 6: Final answer
    x = 28,129.77

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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.