Home / 21,683.30-32,232.38-21,044.84

Finding the Fourth Proportional to 21,683.30, 32,232.38 and 21,044.84

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Solution

The fourth proportional to 21,683.30, 32,232.38 and 21,044.84 is: 31,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,683.30 : 32,232.38 = 21,044.84 : x
  2. Step 2: Convert to fraction form
    21,683.30/32,232.38 = 21,044.84/x
  3. Step 3: Cross multiply
    21,683.30x = 32,232.38 × 21,044.84
  4. Step 4: Simplify right side
    21,683.30x = 678,325,174.70
  5. Step 5: Solve for x
    x = 678,325,174.70/21,683.30
  6. Step 6: Final answer
    x = 31,283.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.