Home / 40,915.40-61,364.22-14,621.96

Finding the Fourth Proportional to 40,915.40, 61,364.22 and 14,621.96

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Solution

The fourth proportional to 40,915.40, 61,364.22 and 14,621.96 is: 21,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,915.40 : 61,364.22 = 14,621.96 : x
  2. Step 2: Convert to fraction form
    40,915.40/61,364.22 = 14,621.96/x
  3. Step 3: Cross multiply
    40,915.40x = 61,364.22 × 14,621.96
  4. Step 4: Simplify right side
    40,915.40x = 897,265,170.27
  5. Step 5: Solve for x
    x = 897,265,170.27/40,915.40
  6. Step 6: Final answer
    x = 21,929.77

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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.