Home / 31,161.98-46,741.40-11,438.98

Finding the Fourth Proportional to 31,161.98, 46,741.40 and 11,438.98

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Solution

The fourth proportional to 31,161.98, 46,741.40 and 11,438.98 is: 17,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.98 : 46,741.40 = 11,438.98 : x
  2. Step 2: Convert to fraction form
    31,161.98/46,741.40 = 11,438.98/x
  3. Step 3: Cross multiply
    31,161.98x = 46,741.40 × 11,438.98
  4. Step 4: Simplify right side
    31,161.98x = 534,673,939.77
  5. Step 5: Solve for x
    x = 534,673,939.77/31,161.98
  6. Step 6: Final answer
    x = 17,157.89

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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.