Home / 56,143.94-77,481.33-30,995.06

Finding the Fourth Proportional to 56,143.94, 77,481.33 and 30,995.06

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Solution

The fourth proportional to 56,143.94, 77,481.33 and 30,995.06 is: 42,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,143.94 : 77,481.33 = 30,995.06 : x
  2. Step 2: Convert to fraction form
    56,143.94/77,481.33 = 30,995.06/x
  3. Step 3: Cross multiply
    56,143.94x = 77,481.33 × 30,995.06
  4. Step 4: Simplify right side
    56,143.94x = 2,401,538,472.23
  5. Step 5: Solve for x
    x = 2,401,538,472.23/56,143.94
  6. Step 6: Final answer
    x = 42,774.67

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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.