Home / 32,921.53-45,436.46-21,607.90

Finding the Fourth Proportional to 32,921.53, 45,436.46 and 21,607.90

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Solution

The fourth proportional to 32,921.53, 45,436.46 and 21,607.90 is: 29,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,921.53 : 45,436.46 = 21,607.90 : x
  2. Step 2: Convert to fraction form
    32,921.53/45,436.46 = 21,607.90/x
  3. Step 3: Cross multiply
    32,921.53x = 45,436.46 × 21,607.90
  4. Step 4: Simplify right side
    32,921.53x = 981,786,621.21
  5. Step 5: Solve for x
    x = 981,786,621.21/32,921.53
  6. Step 6: Final answer
    x = 29,822.03

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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.