Home / 30,931.74-46,331.73-15,112.44

Finding the Fourth Proportional to 30,931.74, 46,331.73 and 15,112.44

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Solution

The fourth proportional to 30,931.74, 46,331.73 and 15,112.44 is: 22,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931.74 : 46,331.73 = 15,112.44 : x
  2. Step 2: Convert to fraction form
    30,931.74/46,331.73 = 15,112.44/x
  3. Step 3: Cross multiply
    30,931.74x = 46,331.73 × 15,112.44
  4. Step 4: Simplify right side
    30,931.74x = 700,185,489.72
  5. Step 5: Solve for x
    x = 700,185,489.72/30,931.74
  6. Step 6: Final answer
    x = 22,636.47

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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.