Home / 55,987.39-83,972.41-30,699.36

Finding the Fourth Proportional to 55,987.39, 83,972.41 and 30,699.36

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Solution

The fourth proportional to 55,987.39, 83,972.41 and 30,699.36 is: 46,044.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,987.39 : 83,972.41 = 30,699.36 : x
  2. Step 2: Convert to fraction form
    55,987.39/83,972.41 = 30,699.36/x
  3. Step 3: Cross multiply
    55,987.39x = 83,972.41 × 30,699.36
  4. Step 4: Simplify right side
    55,987.39x = 2,577,899,244.66
  5. Step 5: Solve for x
    x = 2,577,899,244.66/55,987.39
  6. Step 6: Final answer
    x = 46,044.28

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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.