Home / 49,170.76-67,866.39-31,262.27

Finding the Fourth Proportional to 49,170.76, 67,866.39 and 31,262.27

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Solution

The fourth proportional to 49,170.76, 67,866.39 and 31,262.27 is: 43,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,170.76 : 67,866.39 = 31,262.27 : x
  2. Step 2: Convert to fraction form
    49,170.76/67,866.39 = 31,262.27/x
  3. Step 3: Cross multiply
    49,170.76x = 67,866.39 × 31,262.27
  4. Step 4: Simplify right side
    49,170.76x = 2,121,657,068.77
  5. Step 5: Solve for x
    x = 2,121,657,068.77/49,170.76
  6. Step 6: Final answer
    x = 43,148.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.