Home / 55,485.97-76,570.67-30,335.47

Finding the Fourth Proportional to 55,485.97, 76,570.67 and 30,335.47

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Solution

The fourth proportional to 55,485.97, 76,570.67 and 30,335.47 is: 41,862.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,485.97 : 76,570.67 = 30,335.47 : x
  2. Step 2: Convert to fraction form
    55,485.97/76,570.67 = 30,335.47/x
  3. Step 3: Cross multiply
    55,485.97x = 76,570.67 × 30,335.47
  4. Step 4: Simplify right side
    55,485.97x = 2,322,807,262.66
  5. Step 5: Solve for x
    x = 2,322,807,262.66/55,485.97
  6. Step 6: Final answer
    x = 41,862.97

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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.