Home / 54,113.58-74,675.35-30,240.45

Finding the Fourth Proportional to 54,113.58, 74,675.35 and 30,240.45

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Solution

The fourth proportional to 54,113.58, 74,675.35 and 30,240.45 is: 41,731.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113.58 : 74,675.35 = 30,240.45 : x
  2. Step 2: Convert to fraction form
    54,113.58/74,675.35 = 30,240.45/x
  3. Step 3: Cross multiply
    54,113.58x = 74,675.35 × 30,240.45
  4. Step 4: Simplify right side
    54,113.58x = 2,258,216,112.31
  5. Step 5: Solve for x
    x = 2,258,216,112.31/54,113.58
  6. Step 6: Final answer
    x = 41,731.04

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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.