Home / 31,308.21-43,205.49-16,968.06

Finding the Fourth Proportional to 31,308.21, 43,205.49 and 16,968.06

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Solution

The fourth proportional to 31,308.21, 43,205.49 and 16,968.06 is: 23,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.21 : 43,205.49 = 16,968.06 : x
  2. Step 2: Convert to fraction form
    31,308.21/43,205.49 = 16,968.06/x
  3. Step 3: Cross multiply
    31,308.21x = 43,205.49 × 16,968.06
  4. Step 4: Simplify right side
    31,308.21x = 733,113,346.65
  5. Step 5: Solve for x
    x = 733,113,346.65/31,308.21
  6. Step 6: Final answer
    x = 23,416.01

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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.