Home / 29,012.12-43,518.80-9,290.62

Finding the Fourth Proportional to 29,012.12, 43,518.80 and 9,290.62

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Solution

The fourth proportional to 29,012.12, 43,518.80 and 9,290.62 is: 13,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,012.12 : 43,518.80 = 9,290.62 : x
  2. Step 2: Convert to fraction form
    29,012.12/43,518.80 = 9,290.62/x
  3. Step 3: Cross multiply
    29,012.12x = 43,518.80 × 9,290.62
  4. Step 4: Simplify right side
    29,012.12x = 404,316,633.66
  5. Step 5: Solve for x
    x = 404,316,633.66/29,012.12
  6. Step 6: Final answer
    x = 13,936.13

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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.