Home / 30,971.09-42,741.05-17,544.26

Finding the Fourth Proportional to 30,971.09, 42,741.05 and 17,544.26

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Solution

The fourth proportional to 30,971.09, 42,741.05 and 17,544.26 is: 24,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,971.09 : 42,741.05 = 17,544.26 : x
  2. Step 2: Convert to fraction form
    30,971.09/42,741.05 = 17,544.26/x
  3. Step 3: Cross multiply
    30,971.09x = 42,741.05 × 17,544.26
  4. Step 4: Simplify right side
    30,971.09x = 749,860,113.00
  5. Step 5: Solve for x
    x = 749,860,113.00/30,971.09
  6. Step 6: Final answer
    x = 24,211.61

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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.