Home / 34,245.09-47,280.51-30,653.82

Finding the Fourth Proportional to 34,245.09, 47,280.51 and 30,653.82

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Solution

The fourth proportional to 34,245.09, 47,280.51 and 30,653.82 is: 42,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,245.09 : 47,280.51 = 30,653.82 : x
  2. Step 2: Convert to fraction form
    34,245.09/47,280.51 = 30,653.82/x
  3. Step 3: Cross multiply
    34,245.09x = 47,280.51 × 30,653.82
  4. Step 4: Simplify right side
    34,245.09x = 1,449,328,243.05
  5. Step 5: Solve for x
    x = 1,449,328,243.05/34,245.09
  6. Step 6: Final answer
    x = 42,322.22

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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.