Home / 71,037.58-106,573.91-21,117.47

Finding the Fourth Proportional to 71,037.58, 106,573.91 and 21,117.47

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Solution

The fourth proportional to 71,037.58, 106,573.91 and 21,117.47 is: 31,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,037.58 : 106,573.91 = 21,117.47 : x
  2. Step 2: Convert to fraction form
    71,037.58/106,573.91 = 21,117.47/x
  3. Step 3: Cross multiply
    71,037.58x = 106,573.91 × 21,117.47
  4. Step 4: Simplify right side
    71,037.58x = 2,250,570,827.54
  5. Step 5: Solve for x
    x = 2,250,570,827.54/71,037.58
  6. Step 6: Final answer
    x = 31,681.41

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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.