Home / 53,844.24-74,288.30-30,556.83

Finding the Fourth Proportional to 53,844.24, 74,288.30 and 30,556.83

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Solution

The fourth proportional to 53,844.24, 74,288.30 and 30,556.83 is: 42,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,844.24 : 74,288.30 = 30,556.83 : x
  2. Step 2: Convert to fraction form
    53,844.24/74,288.30 = 30,556.83/x
  3. Step 3: Cross multiply
    53,844.24x = 74,288.30 × 30,556.83
  4. Step 4: Simplify right side
    53,844.24x = 2,270,014,801.30
  5. Step 5: Solve for x
    x = 2,270,014,801.30/53,844.24
  6. Step 6: Final answer
    x = 42,158.92

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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.