Home / 31,239.58-46,903.32-18,106.64

Finding the Fourth Proportional to 31,239.58, 46,903.32 and 18,106.64

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Solution

The fourth proportional to 31,239.58, 46,903.32 and 18,106.64 is: 27,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239.58 : 46,903.32 = 18,106.64 : x
  2. Step 2: Convert to fraction form
    31,239.58/46,903.32 = 18,106.64/x
  3. Step 3: Cross multiply
    31,239.58x = 46,903.32 × 18,106.64
  4. Step 4: Simplify right side
    31,239.58x = 849,261,530.04
  5. Step 5: Solve for x
    x = 849,261,530.04/31,239.58
  6. Step 6: Final answer
    x = 27,185.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.