Home / 34,688.52-47,870.14-18,772.96

Finding the Fourth Proportional to 34,688.52, 47,870.14 and 18,772.96

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Solution

The fourth proportional to 34,688.52, 47,870.14 and 18,772.96 is: 25,906.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688.52 : 47,870.14 = 18,772.96 : x
  2. Step 2: Convert to fraction form
    34,688.52/47,870.14 = 18,772.96/x
  3. Step 3: Cross multiply
    34,688.52x = 47,870.14 × 18,772.96
  4. Step 4: Simplify right side
    34,688.52x = 898,664,223.41
  5. Step 5: Solve for x
    x = 898,664,223.41/34,688.52
  6. Step 6: Final answer
    x = 25,906.68

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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.