Home / 30,412.98-45,558.29-15,169.59

Finding the Fourth Proportional to 30,412.98, 45,558.29 and 15,169.59

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Solution

The fourth proportional to 30,412.98, 45,558.29 and 15,169.59 is: 22,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,412.98 : 45,558.29 = 15,169.59 : x
  2. Step 2: Convert to fraction form
    30,412.98/45,558.29 = 15,169.59/x
  3. Step 3: Cross multiply
    30,412.98x = 45,558.29 × 15,169.59
  4. Step 4: Simplify right side
    30,412.98x = 691,100,580.40
  5. Step 5: Solve for x
    x = 691,100,580.40/30,412.98
  6. Step 6: Final answer
    x = 22,723.87

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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.