Home / 48,435.09-66,839.56-29,572.21

Finding the Fourth Proportional to 48,435.09, 66,839.56 and 29,572.21

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Solution

The fourth proportional to 48,435.09, 66,839.56 and 29,572.21 is: 40,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,435.09 : 66,839.56 = 29,572.21 : x
  2. Step 2: Convert to fraction form
    48,435.09/66,839.56 = 29,572.21/x
  3. Step 3: Cross multiply
    48,435.09x = 66,839.56 × 29,572.21
  4. Step 4: Simplify right side
    48,435.09x = 1,976,593,504.63
  5. Step 5: Solve for x
    x = 1,976,593,504.63/48,435.09
  6. Step 6: Final answer
    x = 40,809.12

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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.