Home / 37,429.42-51,650.40-20,430.30

Finding the Fourth Proportional to 37,429.42, 51,650.40 and 20,430.30

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Solution

The fourth proportional to 37,429.42, 51,650.40 and 20,430.30 is: 28,192.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,429.42 : 51,650.40 = 20,430.30 : x
  2. Step 2: Convert to fraction form
    37,429.42/51,650.40 = 20,430.30/x
  3. Step 3: Cross multiply
    37,429.42x = 51,650.40 × 20,430.30
  4. Step 4: Simplify right side
    37,429.42x = 1,055,233,167.12
  5. Step 5: Solve for x
    x = 1,055,233,167.12/37,429.42
  6. Step 6: Final answer
    x = 28,192.61

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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.