Home / 30,372.12-41,911.61-16,944.23

Finding the Fourth Proportional to 30,372.12, 41,911.61 and 16,944.23

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Solution

The fourth proportional to 30,372.12, 41,911.61 and 16,944.23 is: 23,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.12 : 41,911.61 = 16,944.23 : x
  2. Step 2: Convert to fraction form
    30,372.12/41,911.61 = 16,944.23/x
  3. Step 3: Cross multiply
    30,372.12x = 41,911.61 × 16,944.23
  4. Step 4: Simplify right side
    30,372.12x = 710,159,959.51
  5. Step 5: Solve for x
    x = 710,159,959.51/30,372.12
  6. Step 6: Final answer
    x = 23,381.97

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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.