Home / 30,036.70-41,447.47-16,605.79

Finding the Fourth Proportional to 30,036.70, 41,447.47 and 16,605.79

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Solution

The fourth proportional to 30,036.70, 41,447.47 and 16,605.79 is: 22,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036.70 : 41,447.47 = 16,605.79 : x
  2. Step 2: Convert to fraction form
    30,036.70/41,447.47 = 16,605.79/x
  3. Step 3: Cross multiply
    30,036.70x = 41,447.47 × 16,605.79
  4. Step 4: Simplify right side
    30,036.70x = 688,267,982.85
  5. Step 5: Solve for x
    x = 688,267,982.85/30,036.70
  6. Step 6: Final answer
    x = 22,914.23

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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.