Home / 43,168.90-64,753.35-20,963.24

Finding the Fourth Proportional to 43,168.90, 64,753.35 and 20,963.24

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Solution

The fourth proportional to 43,168.90, 64,753.35 and 20,963.24 is: 31,444.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,168.90 : 64,753.35 = 20,963.24 : x
  2. Step 2: Convert to fraction form
    43,168.90/64,753.35 = 20,963.24/x
  3. Step 3: Cross multiply
    43,168.90x = 64,753.35 × 20,963.24
  4. Step 4: Simplify right side
    43,168.90x = 1,357,439,912.04
  5. Step 5: Solve for x
    x = 1,357,439,912.04/43,168.90
  6. Step 6: Final answer
    x = 31,444.86

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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.