Home / 55,297.08-76,309.83-30,146.58

Finding the Fourth Proportional to 55,297.08, 76,309.83 and 30,146.58

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Solution

The fourth proportional to 55,297.08, 76,309.83 and 30,146.58 is: 41,602.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,297.08 : 76,309.83 = 30,146.58 : x
  2. Step 2: Convert to fraction form
    55,297.08/76,309.83 = 30,146.58/x
  3. Step 3: Cross multiply
    55,297.08x = 76,309.83 × 30,146.58
  4. Step 4: Simplify right side
    55,297.08x = 2,300,480,394.88
  5. Step 5: Solve for x
    x = 2,300,480,394.88/55,297.08
  6. Step 6: Final answer
    x = 41,602.20

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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.