Home / 55,305.09-82,957.97-13,752.09

Finding the Fourth Proportional to 55,305.09, 82,957.97 and 13,752.09

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Solution

The fourth proportional to 55,305.09, 82,957.97 and 13,752.09 is: 20,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,305.09 : 82,957.97 = 13,752.09 : x
  2. Step 2: Convert to fraction form
    55,305.09/82,957.97 = 13,752.09/x
  3. Step 3: Cross multiply
    55,305.09x = 82,957.97 × 13,752.09
  4. Step 4: Simplify right side
    55,305.09x = 1,140,845,400.90
  5. Step 5: Solve for x
    x = 1,140,845,400.90/55,305.09
  6. Step 6: Final answer
    x = 20,628.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.