Home / 47,577.44-71,366.16-19,856

Finding the Fourth Proportional to 47,577.44, 71,366.16 and 19,856

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Solution

The fourth proportional to 47,577.44, 71,366.16 and 19,856 is: 29,784

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,577.44 : 71,366.16 = 19,856 : x
  2. Step 2: Convert to fraction form
    47,577.44/71,366.16 = 19,856/x
  3. Step 3: Cross multiply
    47,577.44x = 71,366.16 × 19,856
  4. Step 4: Simplify right side
    47,577.44x = 1,417,046,472.96
  5. Step 5: Solve for x
    x = 1,417,046,472.96/47,577.44
  6. Step 6: Final answer
    x = 29,784

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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.