Home / 30,804.23-42,509.83-16,657.08

Finding the Fourth Proportional to 30,804.23, 42,509.83 and 16,657.08

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Solution

The fourth proportional to 30,804.23, 42,509.83 and 16,657.08 is: 22,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,804.23 : 42,509.83 = 16,657.08 : x
  2. Step 2: Convert to fraction form
    30,804.23/42,509.83 = 16,657.08/x
  3. Step 3: Cross multiply
    30,804.23x = 42,509.83 × 16,657.08
  4. Step 4: Simplify right side
    30,804.23x = 708,089,469.27
  5. Step 5: Solve for x
    x = 708,089,469.27/30,804.23
  6. Step 6: Final answer
    x = 22,986.76

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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.