Home / 31,974.16-47,961.29-9,787.63

Finding the Fourth Proportional to 31,974.16, 47,961.29 and 9,787.63

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Solution

The fourth proportional to 31,974.16, 47,961.29 and 9,787.63 is: 14,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974.16 : 47,961.29 = 9,787.63 : x
  2. Step 2: Convert to fraction form
    31,974.16/47,961.29 = 9,787.63/x
  3. Step 3: Cross multiply
    31,974.16x = 47,961.29 × 9,787.63
  4. Step 4: Simplify right side
    31,974.16x = 469,427,360.84
  5. Step 5: Solve for x
    x = 469,427,360.84/31,974.16
  6. Step 6: Final answer
    x = 14,681.46

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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.