Home / 55,111.30-76,053.64-29,960.80

Finding the Fourth Proportional to 55,111.30, 76,053.64 and 29,960.80

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Solution

The fourth proportional to 55,111.30, 76,053.64 and 29,960.80 is: 41,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,111.30 : 76,053.64 = 29,960.80 : x
  2. Step 2: Convert to fraction form
    55,111.30/76,053.64 = 29,960.80/x
  3. Step 3: Cross multiply
    55,111.30x = 76,053.64 × 29,960.80
  4. Step 4: Simplify right side
    55,111.30x = 2,278,627,897.31
  5. Step 5: Solve for x
    x = 2,278,627,897.31/55,111.30
  6. Step 6: Final answer
    x = 41,345.93

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1.5x scale

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.