Home / 34,045.30-51,051.55-11,858.19

Finding the Fourth Proportional to 34,045.30, 51,051.55 and 11,858.19

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Solution

The fourth proportional to 34,045.30, 51,051.55 and 11,858.19 is: 17,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,045.30 : 51,051.55 = 11,858.19 : x
  2. Step 2: Convert to fraction form
    34,045.30/51,051.55 = 11,858.19/x
  3. Step 3: Cross multiply
    34,045.30x = 51,051.55 × 11,858.19
  4. Step 4: Simplify right side
    34,045.30x = 605,378,979.69
  5. Step 5: Solve for x
    x = 605,378,979.69/34,045.30
  6. Step 6: Final answer
    x = 17,781.57

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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.