Home / 31,578.05-43,577.37-17,430.59

Finding the Fourth Proportional to 31,578.05, 43,577.37 and 17,430.59

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Solution

The fourth proportional to 31,578.05, 43,577.37 and 17,430.59 is: 24,054.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,578.05 : 43,577.37 = 17,430.59 : x
  2. Step 2: Convert to fraction form
    31,578.05/43,577.37 = 17,430.59/x
  3. Step 3: Cross multiply
    31,578.05x = 43,577.37 × 17,430.59
  4. Step 4: Simplify right side
    31,578.05x = 759,579,269.75
  5. Step 5: Solve for x
    x = 759,579,269.75/31,578.05
  6. Step 6: Final answer
    x = 24,054.03

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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.