Home / 29,309.49-43,803.33-21,428.60

Finding the Fourth Proportional to 29,309.49, 43,803.33 and 21,428.60

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Solution

The fourth proportional to 29,309.49, 43,803.33 and 21,428.60 is: 32,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,309.49 : 43,803.33 = 21,428.60 : x
  2. Step 2: Convert to fraction form
    29,309.49/43,803.33 = 21,428.60/x
  3. Step 3: Cross multiply
    29,309.49x = 43,803.33 × 21,428.60
  4. Step 4: Simplify right side
    29,309.49x = 938,643,737.86
  5. Step 5: Solve for x
    x = 938,643,737.86/29,309.49
  6. Step 6: Final answer
    x = 32,025.25

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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.