Home / 30,097.22-45,130.64-17,621.19

Finding the Fourth Proportional to 30,097.22, 45,130.64 and 17,621.19

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Solution

The fourth proportional to 30,097.22, 45,130.64 and 17,621.19 is: 26,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,097.22 : 45,130.64 = 17,621.19 : x
  2. Step 2: Convert to fraction form
    30,097.22/45,130.64 = 17,621.19/x
  3. Step 3: Cross multiply
    30,097.22x = 45,130.64 × 17,621.19
  4. Step 4: Simplify right side
    30,097.22x = 795,255,494.16
  5. Step 5: Solve for x
    x = 795,255,494.16/30,097.22
  6. Step 6: Final answer
    x = 26,422.89

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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.