Home / 30,981.15-46,439.24-15,164.37

Finding the Fourth Proportional to 30,981.15, 46,439.24 and 15,164.37

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Solution

The fourth proportional to 30,981.15, 46,439.24 and 15,164.37 is: 22,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,981.15 : 46,439.24 = 15,164.37 : x
  2. Step 2: Convert to fraction form
    30,981.15/46,439.24 = 15,164.37/x
  3. Step 3: Cross multiply
    30,981.15x = 46,439.24 × 15,164.37
  4. Step 4: Simplify right side
    30,981.15x = 704,221,742.06
  5. Step 5: Solve for x
    x = 704,221,742.06/30,981.15
  6. Step 6: Final answer
    x = 22,730.65

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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.