Home / 30,012.75-41,420.03-17,439.93

Finding the Fourth Proportional to 30,012.75, 41,420.03 and 17,439.93

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Solution

The fourth proportional to 30,012.75, 41,420.03 and 17,439.93 is: 24,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,012.75 : 41,420.03 = 17,439.93 : x
  2. Step 2: Convert to fraction form
    30,012.75/41,420.03 = 17,439.93/x
  3. Step 3: Cross multiply
    30,012.75x = 41,420.03 × 17,439.93
  4. Step 4: Simplify right side
    30,012.75x = 722,362,336.60
  5. Step 5: Solve for x
    x = 722,362,336.60/30,012.75
  6. Step 6: Final answer
    x = 24,068.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.