Home / 31,158.82-46,737.78-14,509.54

Finding the Fourth Proportional to 31,158.82, 46,737.78 and 14,509.54

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Solution

The fourth proportional to 31,158.82, 46,737.78 and 14,509.54 is: 21,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,158.82 : 46,737.78 = 14,509.54 : x
  2. Step 2: Convert to fraction form
    31,158.82/46,737.78 = 14,509.54/x
  3. Step 3: Cross multiply
    31,158.82x = 46,737.78 × 14,509.54
  4. Step 4: Simplify right side
    31,158.82x = 678,143,688.42
  5. Step 5: Solve for x
    x = 678,143,688.42/31,158.82
  6. Step 6: Final answer
    x = 21,764.10

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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.