Home / 37,131.68-51,242.28-20,364.32

Finding the Fourth Proportional to 37,131.68, 51,242.28 and 20,364.32

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Solution

The fourth proportional to 37,131.68, 51,242.28 and 20,364.32 is: 28,103.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131.68 : 51,242.28 = 20,364.32 : x
  2. Step 2: Convert to fraction form
    37,131.68/51,242.28 = 20,364.32/x
  3. Step 3: Cross multiply
    37,131.68x = 51,242.28 × 20,364.32
  4. Step 4: Simplify right side
    37,131.68x = 1,043,514,187.45
  5. Step 5: Solve for x
    x = 1,043,514,187.45/37,131.68
  6. Step 6: Final answer
    x = 28,103.07

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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.