Home / 48,012.39-71,977.91-19,914.91

Finding the Fourth Proportional to 48,012.39, 71,977.91 and 19,914.91

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Solution

The fourth proportional to 48,012.39, 71,977.91 and 19,914.91 is: 29,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,012.39 : 71,977.91 = 19,914.91 : x
  2. Step 2: Convert to fraction form
    48,012.39/71,977.91 = 19,914.91/x
  3. Step 3: Cross multiply
    48,012.39x = 71,977.91 × 19,914.91
  4. Step 4: Simplify right side
    48,012.39x = 1,433,433,239.75
  5. Step 5: Solve for x
    x = 1,433,433,239.75/48,012.39
  6. Step 6: Final answer
    x = 29,855.49

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1.5x scale

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.