Home / 30,256.56-41,755.05-16,645.19

Finding the Fourth Proportional to 30,256.56, 41,755.05 and 16,645.19

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Solution

The fourth proportional to 30,256.56, 41,755.05 and 16,645.19 is: 22,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,256.56 : 41,755.05 = 16,645.19 : x
  2. Step 2: Convert to fraction form
    30,256.56/41,755.05 = 16,645.19/x
  3. Step 3: Cross multiply
    30,256.56x = 41,755.05 × 16,645.19
  4. Step 4: Simplify right side
    30,256.56x = 695,020,531.93
  5. Step 5: Solve for x
    x = 695,020,531.93/30,256.56
  6. Step 6: Final answer
    x = 22,970.90

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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.