Home / 56,277.69-84,420.97-18,837.90

Finding the Fourth Proportional to 56,277.69, 84,420.97 and 18,837.90

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Solution

The fourth proportional to 56,277.69, 84,420.97 and 18,837.90 is: 28,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,277.69 : 84,420.97 = 18,837.90 : x
  2. Step 2: Convert to fraction form
    56,277.69/84,420.97 = 18,837.90/x
  3. Step 3: Cross multiply
    56,277.69x = 84,420.97 × 18,837.90
  4. Step 4: Simplify right side
    56,277.69x = 1,590,313,497.73
  5. Step 5: Solve for x
    x = 1,590,313,497.73/56,277.69
  6. Step 6: Final answer
    x = 28,258.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.