Home / 30,452.83-45,687.01-12,677.58

Finding the Fourth Proportional to 30,452.83, 45,687.01 and 12,677.58

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Solution

The fourth proportional to 30,452.83, 45,687.01 and 12,677.58 is: 19,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,452.83 : 45,687.01 = 12,677.58 : x
  2. Step 2: Convert to fraction form
    30,452.83/45,687.01 = 12,677.58/x
  3. Step 3: Cross multiply
    30,452.83x = 45,687.01 × 12,677.58
  4. Step 4: Simplify right side
    30,452.83x = 579,200,724.24
  5. Step 5: Solve for x
    x = 579,200,724.24/30,452.83
  6. Step 6: Final answer
    x = 19,019.61

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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.