Home / 47,439.92-71,151.63-17,857.98

Finding the Fourth Proportional to 47,439.92, 71,151.63 and 17,857.98

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Solution

The fourth proportional to 47,439.92, 71,151.63 and 17,857.98 is: 26,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,439.92 : 71,151.63 = 17,857.98 : x
  2. Step 2: Convert to fraction form
    47,439.92/71,151.63 = 17,857.98/x
  3. Step 3: Cross multiply
    47,439.92x = 71,151.63 × 17,857.98
  4. Step 4: Simplify right side
    47,439.92x = 1,270,624,385.51
  5. Step 5: Solve for x
    x = 1,270,624,385.51/47,439.92
  6. Step 6: Final answer
    x = 26,783.87

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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.