Home / 31,245.35-43,118.06-17,817.35

Finding the Fourth Proportional to 31,245.35, 43,118.06 and 17,817.35

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Solution

The fourth proportional to 31,245.35, 43,118.06 and 17,817.35 is: 24,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245.35 : 43,118.06 = 17,817.35 : x
  2. Step 2: Convert to fraction form
    31,245.35/43,118.06 = 17,817.35/x
  3. Step 3: Cross multiply
    31,245.35x = 43,118.06 × 17,817.35
  4. Step 4: Simplify right side
    31,245.35x = 768,249,261.66
  5. Step 5: Solve for x
    x = 768,249,261.66/31,245.35
  6. Step 6: Final answer
    x = 24,587.64

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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.