Home / 54,113.42-74,676.30-30,240.09

Finding the Fourth Proportional to 54,113.42, 74,676.30 and 30,240.09

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Solution

The fourth proportional to 54,113.42, 74,676.30 and 30,240.09 is: 41,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113.42 : 74,676.30 = 30,240.09 : x
  2. Step 2: Convert to fraction form
    54,113.42/74,676.30 = 30,240.09/x
  3. Step 3: Cross multiply
    54,113.42x = 74,676.30 × 30,240.09
  4. Step 4: Simplify right side
    54,113.42x = 2,258,217,809.53
  5. Step 5: Solve for x
    x = 2,258,217,809.53/54,113.42
  6. Step 6: Final answer
    x = 41,731.20

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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.