Home / 31,621.84-47,427.36-10,558.96

Finding the Fourth Proportional to 31,621.84, 47,427.36 and 10,558.96

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Solution

The fourth proportional to 31,621.84, 47,427.36 and 10,558.96 is: 15,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,621.84 : 47,427.36 = 10,558.96 : x
  2. Step 2: Convert to fraction form
    31,621.84/47,427.36 = 10,558.96/x
  3. Step 3: Cross multiply
    31,621.84x = 47,427.36 × 10,558.96
  4. Step 4: Simplify right side
    31,621.84x = 500,783,597.15
  5. Step 5: Solve for x
    x = 500,783,597.15/31,621.84
  6. Step 6: Final answer
    x = 15,836.64

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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.