Home / 47,558.64-71,339.76-21,263.61

Finding the Fourth Proportional to 47,558.64, 71,339.76 and 21,263.61

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Solution

The fourth proportional to 47,558.64, 71,339.76 and 21,263.61 is: 31,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,558.64 : 71,339.76 = 21,263.61 : x
  2. Step 2: Convert to fraction form
    47,558.64/71,339.76 = 21,263.61/x
  3. Step 3: Cross multiply
    47,558.64x = 71,339.76 × 21,263.61
  4. Step 4: Simplify right side
    47,558.64x = 1,516,940,834.13
  5. Step 5: Solve for x
    x = 1,516,940,834.13/47,558.64
  6. Step 6: Final answer
    x = 31,896.22

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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.