Home / 30,756.11-46,114.52-18,272.79

Finding the Fourth Proportional to 30,756.11, 46,114.52 and 18,272.79

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Solution

The fourth proportional to 30,756.11, 46,114.52 and 18,272.79 is: 27,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,756.11 : 46,114.52 = 18,272.79 : x
  2. Step 2: Convert to fraction form
    30,756.11/46,114.52 = 18,272.79/x
  3. Step 3: Cross multiply
    30,756.11x = 46,114.52 × 18,272.79
  4. Step 4: Simplify right side
    30,756.11x = 842,640,848.55
  5. Step 5: Solve for x
    x = 842,640,848.55/30,756.11
  6. Step 6: Final answer
    x = 27,397.52

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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.