Home / 30,051.52-45,083.72-8,993.19

Finding the Fourth Proportional to 30,051.52, 45,083.72 and 8,993.19

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Solution

The fourth proportional to 30,051.52, 45,083.72 and 8,993.19 is: 13,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,051.52 : 45,083.72 = 8,993.19 : x
  2. Step 2: Convert to fraction form
    30,051.52/45,083.72 = 8,993.19/x
  3. Step 3: Cross multiply
    30,051.52x = 45,083.72 × 8,993.19
  4. Step 4: Simplify right side
    30,051.52x = 405,446,189.48
  5. Step 5: Solve for x
    x = 405,446,189.48/30,051.52
  6. Step 6: Final answer
    x = 13,491.70

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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.