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Finding the Fourth Proportional to 30,100.94, 41,538.84 and 16,488.87

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Solution

The fourth proportional to 30,100.94, 41,538.84 and 16,488.87 is: 22,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.94 : 41,538.84 = 16,488.87 : x
  2. Step 2: Convert to fraction form
    30,100.94/41,538.84 = 16,488.87/x
  3. Step 3: Cross multiply
    30,100.94x = 41,538.84 × 16,488.87
  4. Step 4: Simplify right side
    30,100.94x = 684,928,758.34
  5. Step 5: Solve for x
    x = 684,928,758.34/30,100.94
  6. Step 6: Final answer
    x = 22,754.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.