Home / 51,731.32-77,443.88-31,946.26

Finding the Fourth Proportional to 51,731.32, 77,443.88 and 31,946.26

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Solution

The fourth proportional to 51,731.32, 77,443.88 and 31,946.26 is: 47,824.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,731.32 : 77,443.88 = 31,946.26 : x
  2. Step 2: Convert to fraction form
    51,731.32/77,443.88 = 31,946.26/x
  3. Step 3: Cross multiply
    51,731.32x = 77,443.88 × 31,946.26
  4. Step 4: Simplify right side
    51,731.32x = 2,474,042,325.89
  5. Step 5: Solve for x
    x = 2,474,042,325.89/51,731.32
  6. Step 6: Final answer
    x = 47,824.84

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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.