Home / 31,956.86-47,935.40-9,770.15

Finding the Fourth Proportional to 31,956.86, 47,935.40 and 9,770.15

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Solution

The fourth proportional to 31,956.86, 47,935.40 and 9,770.15 is: 14,655.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,956.86 : 47,935.40 = 9,770.15 : x
  2. Step 2: Convert to fraction form
    31,956.86/47,935.40 = 9,770.15/x
  3. Step 3: Cross multiply
    31,956.86x = 47,935.40 × 9,770.15
  4. Step 4: Simplify right side
    31,956.86x = 468,336,119.30
  5. Step 5: Solve for x
    x = 468,336,119.30/31,956.86
  6. Step 6: Final answer
    x = 14,655.26

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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.