Home / 34,772.56-52,028.76-20,681.20

Finding the Fourth Proportional to 34,772.56, 52,028.76 and 20,681.20

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Solution

The fourth proportional to 34,772.56, 52,028.76 and 20,681.20 is: 30,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,772.56 : 52,028.76 = 20,681.20 : x
  2. Step 2: Convert to fraction form
    34,772.56/52,028.76 = 20,681.20/x
  3. Step 3: Cross multiply
    34,772.56x = 52,028.76 × 20,681.20
  4. Step 4: Simplify right side
    34,772.56x = 1,076,017,191.31
  5. Step 5: Solve for x
    x = 1,076,017,191.31/34,772.56
  6. Step 6: Final answer
    x = 30,944.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.