Home / 30,900.56-46,369.87-12,177.34

Finding the Fourth Proportional to 30,900.56, 46,369.87 and 12,177.34

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Solution

The fourth proportional to 30,900.56, 46,369.87 and 12,177.34 is: 18,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,900.56 : 46,369.87 = 12,177.34 : x
  2. Step 2: Convert to fraction form
    30,900.56/46,369.87 = 12,177.34/x
  3. Step 3: Cross multiply
    30,900.56x = 46,369.87 × 12,177.34
  4. Step 4: Simplify right side
    30,900.56x = 564,661,526.38
  5. Step 5: Solve for x
    x = 564,661,526.38/30,900.56
  6. Step 6: Final answer
    x = 18,273.51

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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.