Home / 31,920.32-47,827.68-16,316.48

Finding the Fourth Proportional to 31,920.32, 47,827.68 and 16,316.48

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Solution

The fourth proportional to 31,920.32, 47,827.68 and 16,316.48 is: 24,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920.32 : 47,827.68 = 16,316.48 : x
  2. Step 2: Convert to fraction form
    31,920.32/47,827.68 = 16,316.48/x
  3. Step 3: Cross multiply
    31,920.32x = 47,827.68 × 16,316.48
  4. Step 4: Simplify right side
    31,920.32x = 780,379,384.17
  5. Step 5: Solve for x
    x = 780,379,384.17/31,920.32
  6. Step 6: Final answer
    x = 24,447.73

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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.