Home / 37,659.35-51,970.43-20,663.30

Finding the Fourth Proportional to 37,659.35, 51,970.43 and 20,663.30

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Solution

The fourth proportional to 37,659.35, 51,970.43 and 20,663.30 is: 28,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,659.35 : 51,970.43 = 20,663.30 : x
  2. Step 2: Convert to fraction form
    37,659.35/51,970.43 = 20,663.30/x
  3. Step 3: Cross multiply
    37,659.35x = 51,970.43 × 20,663.30
  4. Step 4: Simplify right side
    37,659.35x = 1,073,880,586.22
  5. Step 5: Solve for x
    x = 1,073,880,586.22/37,659.35
  6. Step 6: Final answer
    x = 28,515.64

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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.