Home / 29,001.80-43,519.06-12,360.08

Finding the Fourth Proportional to 29,001.80, 43,519.06 and 12,360.08

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Solution

The fourth proportional to 29,001.80, 43,519.06 and 12,360.08 is: 18,547.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,001.80 : 43,519.06 = 12,360.08 : x
  2. Step 2: Convert to fraction form
    29,001.80/43,519.06 = 12,360.08/x
  3. Step 3: Cross multiply
    29,001.80x = 43,519.06 × 12,360.08
  4. Step 4: Simplify right side
    29,001.80x = 537,899,063.12
  5. Step 5: Solve for x
    x = 537,899,063.12/29,001.80
  6. Step 6: Final answer
    x = 18,547.09

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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.