Home / 31,520.64-43,500.48-18,096.24

Finding the Fourth Proportional to 31,520.64, 43,500.48 and 18,096.24

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Solution

The fourth proportional to 31,520.64, 43,500.48 and 18,096.24 is: 24,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520.64 : 43,500.48 = 18,096.24 : x
  2. Step 2: Convert to fraction form
    31,520.64/43,500.48 = 18,096.24/x
  3. Step 3: Cross multiply
    31,520.64x = 43,500.48 × 18,096.24
  4. Step 4: Simplify right side
    31,520.64x = 787,195,126.20
  5. Step 5: Solve for x
    x = 787,195,126.20/31,520.64
  6. Step 6: Final answer
    x = 24,973.96

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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.