Home / 35,284.58-48,690.90-20,945.01

Finding the Fourth Proportional to 35,284.58, 48,690.90 and 20,945.01

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Solution

The fourth proportional to 35,284.58, 48,690.90 and 20,945.01 is: 28,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,284.58 : 48,690.90 = 20,945.01 : x
  2. Step 2: Convert to fraction form
    35,284.58/48,690.90 = 20,945.01/x
  3. Step 3: Cross multiply
    35,284.58x = 48,690.90 × 20,945.01
  4. Step 4: Simplify right side
    35,284.58x = 1,019,831,387.41
  5. Step 5: Solve for x
    x = 1,019,831,387.41/35,284.58
  6. Step 6: Final answer
    x = 28,903.04

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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.