Home / 46,139.93-69,209.89-11,079.59

Finding the Fourth Proportional to 46,139.93, 69,209.89 and 11,079.59

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Solution

The fourth proportional to 46,139.93, 69,209.89 and 11,079.59 is: 16,619.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,139.93 : 69,209.89 = 11,079.59 : x
  2. Step 2: Convert to fraction form
    46,139.93/69,209.89 = 11,079.59/x
  3. Step 3: Cross multiply
    46,139.93x = 69,209.89 × 11,079.59
  4. Step 4: Simplify right side
    46,139.93x = 766,816,893.72
  5. Step 5: Solve for x
    x = 766,816,893.72/46,139.93
  6. Step 6: Final answer
    x = 16,619.38

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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.