Home / 31,475.86-43,440.84-18,044.52

Finding the Fourth Proportional to 31,475.86, 43,440.84 and 18,044.52

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Solution

The fourth proportional to 31,475.86, 43,440.84 and 18,044.52 is: 24,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.86 : 43,440.84 = 18,044.52 : x
  2. Step 2: Convert to fraction form
    31,475.86/43,440.84 = 18,044.52/x
  3. Step 3: Cross multiply
    31,475.86x = 43,440.84 × 18,044.52
  4. Step 4: Simplify right side
    31,475.86x = 783,869,106.20
  5. Step 5: Solve for x
    x = 783,869,106.20/31,475.86
  6. Step 6: Final answer
    x = 24,903.82

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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.