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Finding the Fourth Proportional to 30,891.63, 46,555.06 and 27,933.45

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Solution

The fourth proportional to 30,891.63, 46,555.06 and 27,933.45 is: 42,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891.63 : 46,555.06 = 27,933.45 : x
  2. Step 2: Convert to fraction form
    30,891.63/46,555.06 = 27,933.45/x
  3. Step 3: Cross multiply
    30,891.63x = 46,555.06 × 27,933.45
  4. Step 4: Simplify right side
    30,891.63x = 1,300,443,440.76
  5. Step 5: Solve for x
    x = 1,300,443,440.76/30,891.63
  6. Step 6: Final answer
    x = 42,096.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.