Home / 31,513.26-43,480.80-17,898.30

Finding the Fourth Proportional to 31,513.26, 43,480.80 and 17,898.30

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Solution

The fourth proportional to 31,513.26, 43,480.80 and 17,898.30 is: 24,695.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.26 : 43,480.80 = 17,898.30 : x
  2. Step 2: Convert to fraction form
    31,513.26/43,480.80 = 17,898.30/x
  3. Step 3: Cross multiply
    31,513.26x = 43,480.80 × 17,898.30
  4. Step 4: Simplify right side
    31,513.26x = 778,232,402.64
  5. Step 5: Solve for x
    x = 778,232,402.64/31,513.26
  6. Step 6: Final answer
    x = 24,695.39

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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.