Home / 56,488.44-77,954.77-30,993.19

Finding the Fourth Proportional to 56,488.44, 77,954.77 and 30,993.19

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Solution

The fourth proportional to 56,488.44, 77,954.77 and 30,993.19 is: 42,771.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,488.44 : 77,954.77 = 30,993.19 : x
  2. Step 2: Convert to fraction form
    56,488.44/77,954.77 = 30,993.19/x
  3. Step 3: Cross multiply
    56,488.44x = 77,954.77 × 30,993.19
  4. Step 4: Simplify right side
    56,488.44x = 2,416,066,998.02
  5. Step 5: Solve for x
    x = 2,416,066,998.02/56,488.44
  6. Step 6: Final answer
    x = 42,771.00

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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.