Home / 55,117.24-76,062.36-29,967.28

Finding the Fourth Proportional to 55,117.24, 76,062.36 and 29,967.28

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Solution

The fourth proportional to 55,117.24, 76,062.36 and 29,967.28 is: 41,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117.24 : 76,062.36 = 29,967.28 : x
  2. Step 2: Convert to fraction form
    55,117.24/76,062.36 = 29,967.28/x
  3. Step 3: Cross multiply
    55,117.24x = 76,062.36 × 29,967.28
  4. Step 4: Simplify right side
    55,117.24x = 2,279,382,039.58
  5. Step 5: Solve for x
    x = 2,279,382,039.58/55,117.24
  6. Step 6: Final answer
    x = 41,355.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.