Home / 40,191.12-60,280.79-10,611.05

Finding the Fourth Proportional to 40,191.12, 60,280.79 and 10,611.05

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Solution

The fourth proportional to 40,191.12, 60,280.79 and 10,611.05 is: 15,915.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,191.12 : 60,280.79 = 10,611.05 : x
  2. Step 2: Convert to fraction form
    40,191.12/60,280.79 = 10,611.05/x
  3. Step 3: Cross multiply
    40,191.12x = 60,280.79 × 10,611.05
  4. Step 4: Simplify right side
    40,191.12x = 639,642,122.27
  5. Step 5: Solve for x
    x = 639,642,122.27/40,191.12
  6. Step 6: Final answer
    x = 15,915.01

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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.