Home / 42,672.24-58,861.08-30,716.64

Finding the Fourth Proportional to 42,672.24, 58,861.08 and 30,716.64

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Solution

The fourth proportional to 42,672.24, 58,861.08 and 30,716.64 is: 42,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,672.24 : 58,861.08 = 30,716.64 : x
  2. Step 2: Convert to fraction form
    42,672.24/58,861.08 = 30,716.64/x
  3. Step 3: Cross multiply
    42,672.24x = 58,861.08 × 30,716.64
  4. Step 4: Simplify right side
    42,672.24x = 1,808,014,604.37
  5. Step 5: Solve for x
    x = 1,808,014,604.37/42,672.24
  6. Step 6: Final answer
    x = 42,369.81

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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.