Home / 30,769.08-46,124.44-9,978

Finding the Fourth Proportional to 30,769.08, 46,124.44 and 9,978

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Solution

The fourth proportional to 30,769.08, 46,124.44 and 9,978 is: 14,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,769.08 : 46,124.44 = 9,978 : x
  2. Step 2: Convert to fraction form
    30,769.08/46,124.44 = 9,978/x
  3. Step 3: Cross multiply
    30,769.08x = 46,124.44 × 9,978
  4. Step 4: Simplify right side
    30,769.08x = 460,229,662.32
  5. Step 5: Solve for x
    x = 460,229,662.32/30,769.08
  6. Step 6: Final answer
    x = 14,957.54

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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.