Home / 30,436.02-45,584.73-21,033.41

Finding the Fourth Proportional to 30,436.02, 45,584.73 and 21,033.41

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Solution

The fourth proportional to 30,436.02, 45,584.73 and 21,033.41 is: 31,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436.02 : 45,584.73 = 21,033.41 : x
  2. Step 2: Convert to fraction form
    30,436.02/45,584.73 = 21,033.41/x
  3. Step 3: Cross multiply
    30,436.02x = 45,584.73 × 21,033.41
  4. Step 4: Simplify right side
    30,436.02x = 958,802,087.91
  5. Step 5: Solve for x
    x = 958,802,087.91/30,436.02
  6. Step 6: Final answer
    x = 31,502.22

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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.