Home / 54,023.31-74,555.91-30,154.64

Finding the Fourth Proportional to 54,023.31, 74,555.91 and 30,154.64

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Solution

The fourth proportional to 54,023.31, 74,555.91 and 30,154.64 is: 41,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,023.31 : 74,555.91 = 30,154.64 : x
  2. Step 2: Convert to fraction form
    54,023.31/74,555.91 = 30,154.64/x
  3. Step 3: Cross multiply
    54,023.31x = 74,555.91 × 30,154.64
  4. Step 4: Simplify right side
    54,023.31x = 2,248,206,253.14
  5. Step 5: Solve for x
    x = 2,248,206,253.14/54,023.31
  6. Step 6: Final answer
    x = 41,615.49

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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.