Home / 31,684.08-47,467.80-28,184.88

Finding the Fourth Proportional to 31,684.08, 47,467.80 and 28,184.88

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Solution

The fourth proportional to 31,684.08, 47,467.80 and 28,184.88 is: 42,225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,684.08 : 47,467.80 = 28,184.88 : x
  2. Step 2: Convert to fraction form
    31,684.08/47,467.80 = 28,184.88/x
  3. Step 3: Cross multiply
    31,684.08x = 47,467.80 × 28,184.88
  4. Step 4: Simplify right side
    31,684.08x = 1,337,874,246.86
  5. Step 5: Solve for x
    x = 1,337,874,246.86/31,684.08
  6. Step 6: Final answer
    x = 42,225.44

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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.