Home / 54,113.85-74,676.90-30,240.51

Finding the Fourth Proportional to 54,113.85, 74,676.90 and 30,240.51

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Solution

The fourth proportional to 54,113.85, 74,676.90 and 30,240.51 is: 41,731.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113.85 : 74,676.90 = 30,240.51 : x
  2. Step 2: Convert to fraction form
    54,113.85/74,676.90 = 30,240.51/x
  3. Step 3: Cross multiply
    54,113.85x = 74,676.90 × 30,240.51
  4. Step 4: Simplify right side
    54,113.85x = 2,258,267,541.22
  5. Step 5: Solve for x
    x = 2,258,267,541.22/54,113.85
  6. Step 6: Final answer
    x = 41,731.78

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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.