Home / 43,307.24-64,990.02-19,621.22

Finding the Fourth Proportional to 43,307.24, 64,990.02 and 19,621.22

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Solution

The fourth proportional to 43,307.24, 64,990.02 and 19,621.22 is: 29,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,307.24 : 64,990.02 = 19,621.22 : x
  2. Step 2: Convert to fraction form
    43,307.24/64,990.02 = 19,621.22/x
  3. Step 3: Cross multiply
    43,307.24x = 64,990.02 × 19,621.22
  4. Step 4: Simplify right side
    43,307.24x = 1,275,183,480.22
  5. Step 5: Solve for x
    x = 1,275,183,480.22/43,307.24
  6. Step 6: Final answer
    x = 29,445.04

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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.