Home / 55,042.06-75,971.64-31,182.80

Finding the Fourth Proportional to 55,042.06, 75,971.64 and 31,182.80

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Solution

The fourth proportional to 55,042.06, 75,971.64 and 31,182.80 is: 43,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,042.06 : 75,971.64 = 31,182.80 : x
  2. Step 2: Convert to fraction form
    55,042.06/75,971.64 = 31,182.80/x
  3. Step 3: Cross multiply
    55,042.06x = 75,971.64 × 31,182.80
  4. Step 4: Simplify right side
    55,042.06x = 2,369,008,455.79
  5. Step 5: Solve for x
    x = 2,369,008,455.79/55,042.06
  6. Step 6: Final answer
    x = 43,039.97

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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.