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Finding the Fourth Proportional to 30,846.87, 46,153.65 and 28,980.63

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Solution

The fourth proportional to 30,846.87, 46,153.65 and 28,980.63 is: 43,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,846.87 : 46,153.65 = 28,980.63 : x
  2. Step 2: Convert to fraction form
    30,846.87/46,153.65 = 28,980.63/x
  3. Step 3: Cross multiply
    30,846.87x = 46,153.65 × 28,980.63
  4. Step 4: Simplify right side
    30,846.87x = 1,337,561,853.80
  5. Step 5: Solve for x
    x = 1,337,561,853.80/30,846.87
  6. Step 6: Final answer
    x = 43,361.35

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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.