Home / 53,636.37-74,018.13-29,437.47

Finding the Fourth Proportional to 53,636.37, 74,018.13 and 29,437.47

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Solution

The fourth proportional to 53,636.37, 74,018.13 and 29,437.47 is: 40,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,636.37 : 74,018.13 = 29,437.47 : x
  2. Step 2: Convert to fraction form
    53,636.37/74,018.13 = 29,437.47/x
  3. Step 3: Cross multiply
    53,636.37x = 74,018.13 × 29,437.47
  4. Step 4: Simplify right side
    53,636.37x = 2,178,906,481.33
  5. Step 5: Solve for x
    x = 2,178,906,481.33/53,636.37
  6. Step 6: Final answer
    x = 40,623.68

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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.