Home / 39,009.54-58,515.93-12,714.51

Finding the Fourth Proportional to 39,009.54, 58,515.93 and 12,714.51

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Solution

The fourth proportional to 39,009.54, 58,515.93 and 12,714.51 is: 19,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,009.54 : 58,515.93 = 12,714.51 : x
  2. Step 2: Convert to fraction form
    39,009.54/58,515.93 = 12,714.51/x
  3. Step 3: Cross multiply
    39,009.54x = 58,515.93 × 12,714.51
  4. Step 4: Simplify right side
    39,009.54x = 744,001,377.14
  5. Step 5: Solve for x
    x = 744,001,377.14/39,009.54
  6. Step 6: Final answer
    x = 19,072.29

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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.