Home / 29,886.81-44,705.36-21,001.51

Finding the Fourth Proportional to 29,886.81, 44,705.36 and 21,001.51

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Solution

The fourth proportional to 29,886.81, 44,705.36 and 21,001.51 is: 31,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,886.81 : 44,705.36 = 21,001.51 : x
  2. Step 2: Convert to fraction form
    29,886.81/44,705.36 = 21,001.51/x
  3. Step 3: Cross multiply
    29,886.81x = 44,705.36 × 21,001.51
  4. Step 4: Simplify right side
    29,886.81x = 938,879,960.09
  5. Step 5: Solve for x
    x = 938,879,960.09/29,886.81
  6. Step 6: Final answer
    x = 31,414.53

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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.