Home / 30,187.89-41,658.51-16,758.75

Finding the Fourth Proportional to 30,187.89, 41,658.51 and 16,758.75

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Solution

The fourth proportional to 30,187.89, 41,658.51 and 16,758.75 is: 23,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.89 : 41,658.51 = 16,758.75 : x
  2. Step 2: Convert to fraction form
    30,187.89/41,658.51 = 16,758.75/x
  3. Step 3: Cross multiply
    30,187.89x = 41,658.51 × 16,758.75
  4. Step 4: Simplify right side
    30,187.89x = 698,144,554.46
  5. Step 5: Solve for x
    x = 698,144,554.46/30,187.89
  6. Step 6: Final answer
    x = 23,126.64

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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.