Home / 47,426.30-71,143.06-14,143.76

Finding the Fourth Proportional to 47,426.30, 71,143.06 and 14,143.76

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Solution

The fourth proportional to 47,426.30, 71,143.06 and 14,143.76 is: 21,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,426.30 : 71,143.06 = 14,143.76 : x
  2. Step 2: Convert to fraction form
    47,426.30/71,143.06 = 14,143.76/x
  3. Step 3: Cross multiply
    47,426.30x = 71,143.06 × 14,143.76
  4. Step 4: Simplify right side
    47,426.30x = 1,006,230,366.31
  5. Step 5: Solve for x
    x = 1,006,230,366.31/47,426.30
  6. Step 6: Final answer
    x = 21,216.72

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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.