Home / 37,142.04-51,255.12-20,145.81

Finding the Fourth Proportional to 37,142.04, 51,255.12 and 20,145.81

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Solution

The fourth proportional to 37,142.04, 51,255.12 and 20,145.81 is: 27,800.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,142.04 : 51,255.12 = 20,145.81 : x
  2. Step 2: Convert to fraction form
    37,142.04/51,255.12 = 20,145.81/x
  3. Step 3: Cross multiply
    37,142.04x = 51,255.12 × 20,145.81
  4. Step 4: Simplify right side
    37,142.04x = 1,032,575,909.05
  5. Step 5: Solve for x
    x = 1,032,575,909.05/37,142.04
  6. Step 6: Final answer
    x = 27,800.73

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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.