Home / 56,144.32-77,476.96-30,993.60

Finding the Fourth Proportional to 56,144.32, 77,476.96 and 30,993.60

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Solution

The fourth proportional to 56,144.32, 77,476.96 and 30,993.60 is: 42,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,144.32 : 77,476.96 = 30,993.60 : x
  2. Step 2: Convert to fraction form
    56,144.32/77,476.96 = 30,993.60/x
  3. Step 3: Cross multiply
    56,144.32x = 77,476.96 × 30,993.60
  4. Step 4: Simplify right side
    56,144.32x = 2,401,289,907.46
  5. Step 5: Solve for x
    x = 2,401,289,907.46/56,144.32
  6. Step 6: Final answer
    x = 42,769.95

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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.