Home / 31,518.32-47,291.40-16,723.64

Finding the Fourth Proportional to 31,518.32, 47,291.40 and 16,723.64

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Solution

The fourth proportional to 31,518.32, 47,291.40 and 16,723.64 is: 25,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.32 : 47,291.40 = 16,723.64 : x
  2. Step 2: Convert to fraction form
    31,518.32/47,291.40 = 16,723.64/x
  3. Step 3: Cross multiply
    31,518.32x = 47,291.40 × 16,723.64
  4. Step 4: Simplify right side
    31,518.32x = 790,884,348.70
  5. Step 5: Solve for x
    x = 790,884,348.70/31,518.32
  6. Step 6: Final answer
    x = 25,092.85

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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.