Home / 32,268.63-44,511.40-20,311.20

Finding the Fourth Proportional to 32,268.63, 44,511.40 and 20,311.20

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Solution

The fourth proportional to 32,268.63, 44,511.40 and 20,311.20 is: 28,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,268.63 : 44,511.40 = 20,311.20 : x
  2. Step 2: Convert to fraction form
    32,268.63/44,511.40 = 20,311.20/x
  3. Step 3: Cross multiply
    32,268.63x = 44,511.40 × 20,311.20
  4. Step 4: Simplify right side
    32,268.63x = 904,079,947.68
  5. Step 5: Solve for x
    x = 904,079,947.68/32,268.63
  6. Step 6: Final answer
    x = 28,017.30

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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.