Home / 54,023.81-74,556.60-30,155.15

Finding the Fourth Proportional to 54,023.81, 74,556.60 and 30,155.15

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Solution

The fourth proportional to 54,023.81, 74,556.60 and 30,155.15 is: 41,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,023.81 : 74,556.60 = 30,155.15 : x
  2. Step 2: Convert to fraction form
    54,023.81/74,556.60 = 30,155.15/x
  3. Step 3: Cross multiply
    54,023.81x = 74,556.60 × 30,155.15
  4. Step 4: Simplify right side
    54,023.81x = 2,248,265,456.49
  5. Step 5: Solve for x
    x = 2,248,265,456.49/54,023.81
  6. Step 6: Final answer
    x = 41,616.20

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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.