Home / 47,961.81-66,192.23-30,511.24

Finding the Fourth Proportional to 47,961.81, 66,192.23 and 30,511.24

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Solution

The fourth proportional to 47,961.81, 66,192.23 and 30,511.24 is: 42,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,961.81 : 66,192.23 = 30,511.24 : x
  2. Step 2: Convert to fraction form
    47,961.81/66,192.23 = 30,511.24/x
  3. Step 3: Cross multiply
    47,961.81x = 66,192.23 × 30,511.24
  4. Step 4: Simplify right side
    47,961.81x = 2,019,606,926.46
  5. Step 5: Solve for x
    x = 2,019,606,926.46/47,961.81
  6. Step 6: Final answer
    x = 42,108.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.