Home / 54,076.99-74,630.59-29,880.06

Finding the Fourth Proportional to 54,076.99, 74,630.59 and 29,880.06

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Solution

The fourth proportional to 54,076.99, 74,630.59 and 29,880.06 is: 41,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,076.99 : 74,630.59 = 29,880.06 : x
  2. Step 2: Convert to fraction form
    54,076.99/74,630.59 = 29,880.06/x
  3. Step 3: Cross multiply
    54,076.99x = 74,630.59 × 29,880.06
  4. Step 4: Simplify right side
    54,076.99x = 2,229,966,507.04
  5. Step 5: Solve for x
    x = 2,229,966,507.04/54,076.99
  6. Step 6: Final answer
    x = 41,236.88

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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.