Home / 55,707.89-76,877.47-30,214.28

Finding the Fourth Proportional to 55,707.89, 76,877.47 and 30,214.28

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Solution

The fourth proportional to 55,707.89, 76,877.47 and 30,214.28 is: 41,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,707.89 : 76,877.47 = 30,214.28 : x
  2. Step 2: Convert to fraction form
    55,707.89/76,877.47 = 30,214.28/x
  3. Step 3: Cross multiply
    55,707.89x = 76,877.47 × 30,214.28
  4. Step 4: Simplify right side
    55,707.89x = 2,322,797,634.23
  5. Step 5: Solve for x
    x = 2,322,797,634.23/55,707.89
  6. Step 6: Final answer
    x = 41,696.03

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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.