Home / 37,512.56-51,768.24-20,518.40

Finding the Fourth Proportional to 37,512.56, 51,768.24 and 20,518.40

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Solution

The fourth proportional to 37,512.56, 51,768.24 and 20,518.40 is: 28,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,512.56 : 51,768.24 = 20,518.40 : x
  2. Step 2: Convert to fraction form
    37,512.56/51,768.24 = 20,518.40/x
  3. Step 3: Cross multiply
    37,512.56x = 51,768.24 × 20,518.40
  4. Step 4: Simplify right side
    37,512.56x = 1,062,201,455.62
  5. Step 5: Solve for x
    x = 1,062,201,455.62/37,512.56
  6. Step 6: Final answer
    x = 28,315.89

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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.