Home / 36,760.09-55,051.31-20,917.12

Finding the Fourth Proportional to 36,760.09, 55,051.31 and 20,917.12

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Solution

The fourth proportional to 36,760.09, 55,051.31 and 20,917.12 is: 31,325.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,760.09 : 55,051.31 = 20,917.12 : x
  2. Step 2: Convert to fraction form
    36,760.09/55,051.31 = 20,917.12/x
  3. Step 3: Cross multiply
    36,760.09x = 55,051.31 × 20,917.12
  4. Step 4: Simplify right side
    36,760.09x = 1,151,514,582.17
  5. Step 5: Solve for x
    x = 1,151,514,582.17/36,760.09
  6. Step 6: Final answer
    x = 31,325.13

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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.