Home / 53,892.36-74,371.32-30,018.78

Finding the Fourth Proportional to 53,892.36, 74,371.32 and 30,018.78

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Solution

The fourth proportional to 53,892.36, 74,371.32 and 30,018.78 is: 41,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,892.36 : 74,371.32 = 30,018.78 : x
  2. Step 2: Convert to fraction form
    53,892.36/74,371.32 = 30,018.78/x
  3. Step 3: Cross multiply
    53,892.36x = 74,371.32 × 30,018.78
  4. Step 4: Simplify right side
    53,892.36x = 2,232,536,293.39
  5. Step 5: Solve for x
    x = 2,232,536,293.39/53,892.36
  6. Step 6: Final answer
    x = 41,425.84

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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.