Home / 30,667.17-45,973.48-11,942.85

Finding the Fourth Proportional to 30,667.17, 45,973.48 and 11,942.85

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Solution

The fourth proportional to 30,667.17, 45,973.48 and 11,942.85 is: 17,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,667.17 : 45,973.48 = 11,942.85 : x
  2. Step 2: Convert to fraction form
    30,667.17/45,973.48 = 11,942.85/x
  3. Step 3: Cross multiply
    30,667.17x = 45,973.48 × 11,942.85
  4. Step 4: Simplify right side
    30,667.17x = 549,054,375.62
  5. Step 5: Solve for x
    x = 549,054,375.62/30,667.17
  6. Step 6: Final answer
    x = 17,903.65

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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.