Home / 30,955.68-46,436.82-9,888.36

Finding the Fourth Proportional to 30,955.68, 46,436.82 and 9,888.36

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Solution

The fourth proportional to 30,955.68, 46,436.82 and 9,888.36 is: 14,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,955.68 : 46,436.82 = 9,888.36 : x
  2. Step 2: Convert to fraction form
    30,955.68/46,436.82 = 9,888.36/x
  3. Step 3: Cross multiply
    30,955.68x = 46,436.82 × 9,888.36
  4. Step 4: Simplify right side
    30,955.68x = 459,183,993.42
  5. Step 5: Solve for x
    x = 459,183,993.42/30,955.68
  6. Step 6: Final answer
    x = 14,833.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.