Home / 42,903.95-64,380.08-33,517.64

Finding the Fourth Proportional to 42,903.95, 64,380.08 and 33,517.64

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Solution

The fourth proportional to 42,903.95, 64,380.08 and 33,517.64 is: 50,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,903.95 : 64,380.08 = 33,517.64 : x
  2. Step 2: Convert to fraction form
    42,903.95/64,380.08 = 33,517.64/x
  3. Step 3: Cross multiply
    42,903.95x = 64,380.08 × 33,517.64
  4. Step 4: Simplify right side
    42,903.95x = 2,157,868,589.36
  5. Step 5: Solve for x
    x = 2,157,868,589.36/42,903.95
  6. Step 6: Final answer
    x = 50,295.34

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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.