Home / 30,505.25-45,762.44-9,447.19

Finding the Fourth Proportional to 30,505.25, 45,762.44 and 9,447.19

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Solution

The fourth proportional to 30,505.25, 45,762.44 and 9,447.19 is: 14,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505.25 : 45,762.44 = 9,447.19 : x
  2. Step 2: Convert to fraction form
    30,505.25/45,762.44 = 9,447.19/x
  3. Step 3: Cross multiply
    30,505.25x = 45,762.44 × 9,447.19
  4. Step 4: Simplify right side
    30,505.25x = 432,326,303.90
  5. Step 5: Solve for x
    x = 432,326,303.90/30,505.25
  6. Step 6: Final answer
    x = 14,172.19

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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.