Home / 46,139.91-69,172.35-19,468.68

Finding the Fourth Proportional to 46,139.91, 69,172.35 and 19,468.68

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Solution

The fourth proportional to 46,139.91, 69,172.35 and 19,468.68 is: 29,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,139.91 : 69,172.35 = 19,468.68 : x
  2. Step 2: Convert to fraction form
    46,139.91/69,172.35 = 19,468.68/x
  3. Step 3: Cross multiply
    46,139.91x = 69,172.35 × 19,468.68
  4. Step 4: Simplify right side
    46,139.91x = 1,346,694,347.00
  5. Step 5: Solve for x
    x = 1,346,694,347.00/46,139.91
  6. Step 6: Final answer
    x = 29,187.19

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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.