Home / 30,215.41-45,329.60-12,675.13

Finding the Fourth Proportional to 30,215.41, 45,329.60 and 12,675.13

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Solution

The fourth proportional to 30,215.41, 45,329.60 and 12,675.13 is: 19,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215.41 : 45,329.60 = 12,675.13 : x
  2. Step 2: Convert to fraction form
    30,215.41/45,329.60 = 12,675.13/x
  3. Step 3: Cross multiply
    30,215.41x = 45,329.60 × 12,675.13
  4. Step 4: Simplify right side
    30,215.41x = 574,558,572.85
  5. Step 5: Solve for x
    x = 574,558,572.85/30,215.41
  6. Step 6: Final answer
    x = 19,015.42

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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.