Home / 34,688.51-47,870.15-18,772.97

Finding the Fourth Proportional to 34,688.51, 47,870.15 and 18,772.97

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Solution

The fourth proportional to 34,688.51, 47,870.15 and 18,772.97 is: 25,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688.51 : 47,870.15 = 18,772.97 : x
  2. Step 2: Convert to fraction form
    34,688.51/47,870.15 = 18,772.97/x
  3. Step 3: Cross multiply
    34,688.51x = 47,870.15 × 18,772.97
  4. Step 4: Simplify right side
    34,688.51x = 898,664,889.85
  5. Step 5: Solve for x
    x = 898,664,889.85/34,688.51
  6. Step 6: Final answer
    x = 25,906.70

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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.