Home / 47,956.42-71,934.63-20,254.66

Finding the Fourth Proportional to 47,956.42, 71,934.63 and 20,254.66

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Solution

The fourth proportional to 47,956.42, 71,934.63 and 20,254.66 is: 30,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,956.42 : 71,934.63 = 20,254.66 : x
  2. Step 2: Convert to fraction form
    47,956.42/71,934.63 = 20,254.66/x
  3. Step 3: Cross multiply
    47,956.42x = 71,934.63 × 20,254.66
  4. Step 4: Simplify right side
    47,956.42x = 1,457,011,472.88
  5. Step 5: Solve for x
    x = 1,457,011,472.88/47,956.42
  6. Step 6: Final answer
    x = 30,381.99

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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.