Home / 30,723.30-46,019.34-19,000.98

Finding the Fourth Proportional to 30,723.30, 46,019.34 and 19,000.98

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Solution

The fourth proportional to 30,723.30, 46,019.34 and 19,000.98 is: 28,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723.30 : 46,019.34 = 19,000.98 : x
  2. Step 2: Convert to fraction form
    30,723.30/46,019.34 = 19,000.98/x
  3. Step 3: Cross multiply
    30,723.30x = 46,019.34 × 19,000.98
  4. Step 4: Simplify right side
    30,723.30x = 874,412,558.95
  5. Step 5: Solve for x
    x = 874,412,558.95/30,723.30
  6. Step 6: Final answer
    x = 28,460.89

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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.