Home / 45,013.08-67,516.38-19,715.16

Finding the Fourth Proportional to 45,013.08, 67,516.38 and 19,715.16

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Solution

The fourth proportional to 45,013.08, 67,516.38 and 19,715.16 is: 29,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,013.08 : 67,516.38 = 19,715.16 : x
  2. Step 2: Convert to fraction form
    45,013.08/67,516.38 = 19,715.16/x
  3. Step 3: Cross multiply
    45,013.08x = 67,516.38 × 19,715.16
  4. Step 4: Simplify right side
    45,013.08x = 1,331,096,234.32
  5. Step 5: Solve for x
    x = 1,331,096,234.32/45,013.08
  6. Step 6: Final answer
    x = 29,571.32

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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.