Home / 30,597.64-45,884.38-18,143.08

Finding the Fourth Proportional to 30,597.64, 45,884.38 and 18,143.08

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Solution

The fourth proportional to 30,597.64, 45,884.38 and 18,143.08 is: 27,207.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,597.64 : 45,884.38 = 18,143.08 : x
  2. Step 2: Convert to fraction form
    30,597.64/45,884.38 = 18,143.08/x
  3. Step 3: Cross multiply
    30,597.64x = 45,884.38 × 18,143.08
  4. Step 4: Simplify right side
    30,597.64x = 832,483,977.09
  5. Step 5: Solve for x
    x = 832,483,977.09/30,597.64
  6. Step 6: Final answer
    x = 27,207.46

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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.