Home / 55,111.47-76,055.79-33,886.63

Finding the Fourth Proportional to 55,111.47, 76,055.79 and 33,886.63

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Solution

The fourth proportional to 55,111.47, 76,055.79 and 33,886.63 is: 46,764.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,111.47 : 76,055.79 = 33,886.63 : x
  2. Step 2: Convert to fraction form
    55,111.47/76,055.79 = 33,886.63/x
  3. Step 3: Cross multiply
    55,111.47x = 76,055.79 × 33,886.63
  4. Step 4: Simplify right side
    55,111.47x = 2,577,274,415.09
  5. Step 5: Solve for x
    x = 2,577,274,415.09/55,111.47
  6. Step 6: Final answer
    x = 46,764.76

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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.