Home / 40,611.48-60,915.81-14,315.55

Finding the Fourth Proportional to 40,611.48, 60,915.81 and 14,315.55

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Solution

The fourth proportional to 40,611.48, 60,915.81 and 14,315.55 is: 21,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,611.48 : 60,915.81 = 14,315.55 : x
  2. Step 2: Convert to fraction form
    40,611.48/60,915.81 = 14,315.55/x
  3. Step 3: Cross multiply
    40,611.48x = 60,915.81 × 14,315.55
  4. Step 4: Simplify right side
    40,611.48x = 872,043,323.85
  5. Step 5: Solve for x
    x = 872,043,323.85/40,611.48
  6. Step 6: Final answer
    x = 21,472.83

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1.5x scale

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.