Home / 31,915.92-44,050.32-18,490.16

Finding the Fourth Proportional to 31,915.92, 44,050.32 and 18,490.16

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Solution

The fourth proportional to 31,915.92, 44,050.32 and 18,490.16 is: 25,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,915.92 : 44,050.32 = 18,490.16 : x
  2. Step 2: Convert to fraction form
    31,915.92/44,050.32 = 18,490.16/x
  3. Step 3: Cross multiply
    31,915.92x = 44,050.32 × 18,490.16
  4. Step 4: Simplify right side
    31,915.92x = 814,497,464.85
  5. Step 5: Solve for x
    x = 814,497,464.85/31,915.92
  6. Step 6: Final answer
    x = 25,520.10

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1.5x scale

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.