Home / 29,688.80-44,471.10-13,907.30

Finding the Fourth Proportional to 29,688.80, 44,471.10 and 13,907.30

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Solution

The fourth proportional to 29,688.80, 44,471.10 and 13,907.30 is: 20,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.80 : 44,471.10 = 13,907.30 : x
  2. Step 2: Convert to fraction form
    29,688.80/44,471.10 = 13,907.30/x
  3. Step 3: Cross multiply
    29,688.80x = 44,471.10 × 13,907.30
  4. Step 4: Simplify right side
    29,688.80x = 618,472,929.03
  5. Step 5: Solve for x
    x = 618,472,929.03/29,688.80
  6. Step 6: Final answer
    x = 20,831.86

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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.