Home / 40,485.70-60,685.35-15,516.10

Finding the Fourth Proportional to 40,485.70, 60,685.35 and 15,516.10

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Solution

The fourth proportional to 40,485.70, 60,685.35 and 15,516.10 is: 23,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485.70 : 60,685.35 = 15,516.10 : x
  2. Step 2: Convert to fraction form
    40,485.70/60,685.35 = 15,516.10/x
  3. Step 3: Cross multiply
    40,485.70x = 60,685.35 × 15,516.10
  4. Step 4: Simplify right side
    40,485.70x = 941,599,959.14
  5. Step 5: Solve for x
    x = 941,599,959.14/40,485.70
  6. Step 6: Final answer
    x = 23,257.59

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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.