Home / 40,915.87-61,374.54-12,835.33

Finding the Fourth Proportional to 40,915.87, 61,374.54 and 12,835.33

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Solution

The fourth proportional to 40,915.87, 61,374.54 and 12,835.33 is: 19,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,915.87 : 61,374.54 = 12,835.33 : x
  2. Step 2: Convert to fraction form
    40,915.87/61,374.54 = 12,835.33/x
  3. Step 3: Cross multiply
    40,915.87x = 61,374.54 × 12,835.33
  4. Step 4: Simplify right side
    40,915.87x = 787,762,474.50
  5. Step 5: Solve for x
    x = 787,762,474.50/40,915.87
  6. Step 6: Final answer
    x = 19,253.23

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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.