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Finding the Fourth Proportional to 30,797.55, 46,165.55 and 14,150.43

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Solution

The fourth proportional to 30,797.55, 46,165.55 and 14,150.43 is: 21,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,797.55 : 46,165.55 = 14,150.43 : x
  2. Step 2: Convert to fraction form
    30,797.55/46,165.55 = 14,150.43/x
  3. Step 3: Cross multiply
    30,797.55x = 46,165.55 × 14,150.43
  4. Step 4: Simplify right side
    30,797.55x = 653,262,312.93
  5. Step 5: Solve for x
    x = 653,262,312.93/30,797.55
  6. Step 6: Final answer
    x = 21,211.50

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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.