Home / 31,150.08-46,737.28-14,517.76

Finding the Fourth Proportional to 31,150.08, 46,737.28 and 14,517.76

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Solution

The fourth proportional to 31,150.08, 46,737.28 and 14,517.76 is: 21,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,150.08 : 46,737.28 = 14,517.76 : x
  2. Step 2: Convert to fraction form
    31,150.08/46,737.28 = 14,517.76/x
  3. Step 3: Cross multiply
    31,150.08x = 46,737.28 × 14,517.76
  4. Step 4: Simplify right side
    31,150.08x = 678,520,614.09
  5. Step 5: Solve for x
    x = 678,520,614.09/31,150.08
  6. Step 6: Final answer
    x = 21,782.31

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1.5x scale

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.