Home / 54,113.51-74,676.43-30,240.18

Finding the Fourth Proportional to 54,113.51, 74,676.43 and 30,240.18

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Solution

The fourth proportional to 54,113.51, 74,676.43 and 30,240.18 is: 41,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113.51 : 74,676.43 = 30,240.18 : x
  2. Step 2: Convert to fraction form
    54,113.51/74,676.43 = 30,240.18/x
  3. Step 3: Cross multiply
    54,113.51x = 74,676.43 × 30,240.18
  4. Step 4: Simplify right side
    54,113.51x = 2,258,228,722.76
  5. Step 5: Solve for x
    x = 2,258,228,722.76/54,113.51
  6. Step 6: Final answer
    x = 41,731.33

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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.