Home / 53,756.52-74,178.36-29,879.40

Finding the Fourth Proportional to 53,756.52, 74,178.36 and 29,879.40

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Solution

The fourth proportional to 53,756.52, 74,178.36 and 29,879.40 is: 41,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,756.52 : 74,178.36 = 29,879.40 : x
  2. Step 2: Convert to fraction form
    53,756.52/74,178.36 = 29,879.40/x
  3. Step 3: Cross multiply
    53,756.52x = 74,178.36 × 29,879.40
  4. Step 4: Simplify right side
    53,756.52x = 2,216,404,889.78
  5. Step 5: Solve for x
    x = 2,216,404,889.78/53,756.52
  6. Step 6: Final answer
    x = 41,230.44

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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.