Home / 31,328.26-43,235.29-17,899.22

Finding the Fourth Proportional to 31,328.26, 43,235.29 and 17,899.22

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Solution

The fourth proportional to 31,328.26, 43,235.29 and 17,899.22 is: 24,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,328.26 : 43,235.29 = 17,899.22 : x
  2. Step 2: Convert to fraction form
    31,328.26/43,235.29 = 17,899.22/x
  3. Step 3: Cross multiply
    31,328.26x = 43,235.29 × 17,899.22
  4. Step 4: Simplify right side
    31,328.26x = 773,877,986.07
  5. Step 5: Solve for x
    x = 773,877,986.07/31,328.26
  6. Step 6: Final answer
    x = 24,702.24

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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.