Home / 30,775.75-46,168.08-9,708.64

Finding the Fourth Proportional to 30,775.75, 46,168.08 and 9,708.64

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Solution

The fourth proportional to 30,775.75, 46,168.08 and 9,708.64 is: 14,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,775.75 : 46,168.08 = 9,708.64 : x
  2. Step 2: Convert to fraction form
    30,775.75/46,168.08 = 9,708.64/x
  3. Step 3: Cross multiply
    30,775.75x = 46,168.08 × 9,708.64
  4. Step 4: Simplify right side
    30,775.75x = 448,229,268.21
  5. Step 5: Solve for x
    x = 448,229,268.21/30,775.75
  6. Step 6: Final answer
    x = 14,564.37

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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.