Home / 30,212.34-45,317.07-9,151.44

Finding the Fourth Proportional to 30,212.34, 45,317.07 and 9,151.44

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Solution

The fourth proportional to 30,212.34, 45,317.07 and 9,151.44 is: 13,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212.34 : 45,317.07 = 9,151.44 : x
  2. Step 2: Convert to fraction form
    30,212.34/45,317.07 = 9,151.44/x
  3. Step 3: Cross multiply
    30,212.34x = 45,317.07 × 9,151.44
  4. Step 4: Simplify right side
    30,212.34x = 414,716,447.08
  5. Step 5: Solve for x
    x = 414,716,447.08/30,212.34
  6. Step 6: Final answer
    x = 13,726.72

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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.