Home / 35,069.06-48,395.40-20,921.60

Finding the Fourth Proportional to 35,069.06, 48,395.40 and 20,921.60

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Solution

The fourth proportional to 35,069.06, 48,395.40 and 20,921.60 is: 28,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,069.06 : 48,395.40 = 20,921.60 : x
  2. Step 2: Convert to fraction form
    35,069.06/48,395.40 = 20,921.60/x
  3. Step 3: Cross multiply
    35,069.06x = 48,395.40 × 20,921.60
  4. Step 4: Simplify right side
    35,069.06x = 1,012,509,200.64
  5. Step 5: Solve for x
    x = 1,012,509,200.64/35,069.06
  6. Step 6: Final answer
    x = 28,871.87

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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.