Home / 56,218.24-77,579.84-30,723.48

Finding the Fourth Proportional to 56,218.24, 77,579.84 and 30,723.48

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Solution

The fourth proportional to 56,218.24, 77,579.84 and 30,723.48 is: 42,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,218.24 : 77,579.84 = 30,723.48 : x
  2. Step 2: Convert to fraction form
    56,218.24/77,579.84 = 30,723.48/x
  3. Step 3: Cross multiply
    56,218.24x = 77,579.84 × 30,723.48
  4. Step 4: Simplify right side
    56,218.24x = 2,383,522,662.64
  5. Step 5: Solve for x
    x = 2,383,522,662.64/56,218.24
  6. Step 6: Final answer
    x = 42,397.67

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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.