Home / 30,725.39-46,090.59-8,538.77

Finding the Fourth Proportional to 30,725.39, 46,090.59 and 8,538.77

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Solution

The fourth proportional to 30,725.39, 46,090.59 and 8,538.77 is: 12,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,725.39 : 46,090.59 = 8,538.77 : x
  2. Step 2: Convert to fraction form
    30,725.39/46,090.59 = 8,538.77/x
  3. Step 3: Cross multiply
    30,725.39x = 46,090.59 × 8,538.77
  4. Step 4: Simplify right side
    30,725.39x = 393,556,716.72
  5. Step 5: Solve for x
    x = 393,556,716.72/30,725.39
  6. Step 6: Final answer
    x = 12,808.85

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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.