Home / 30,881.16-46,321.60-7,507.64

Finding the Fourth Proportional to 30,881.16, 46,321.60 and 7,507.64

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Solution

The fourth proportional to 30,881.16, 46,321.60 and 7,507.64 is: 11,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.16 : 46,321.60 = 7,507.64 : x
  2. Step 2: Convert to fraction form
    30,881.16/46,321.60 = 7,507.64/x
  3. Step 3: Cross multiply
    30,881.16x = 46,321.60 × 7,507.64
  4. Step 4: Simplify right side
    30,881.16x = 347,765,897.02
  5. Step 5: Solve for x
    x = 347,765,897.02/30,881.16
  6. Step 6: Final answer
    x = 11,261.43

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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.