Home / 56,230.37-77,599.55-30,738.14

Finding the Fourth Proportional to 56,230.37, 77,599.55 and 30,738.14

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Solution

The fourth proportional to 56,230.37, 77,599.55 and 30,738.14 is: 42,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,230.37 : 77,599.55 = 30,738.14 : x
  2. Step 2: Convert to fraction form
    56,230.37/77,599.55 = 30,738.14/x
  3. Step 3: Cross multiply
    56,230.37x = 77,599.55 × 30,738.14
  4. Step 4: Simplify right side
    56,230.37x = 2,385,265,520.68
  5. Step 5: Solve for x
    x = 2,385,265,520.68/56,230.37
  6. Step 6: Final answer
    x = 42,419.53

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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.