Home / 30,701.87-46,043.01-11,977.35

Finding the Fourth Proportional to 30,701.87, 46,043.01 and 11,977.35

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Solution

The fourth proportional to 30,701.87, 46,043.01 and 11,977.35 is: 17,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,701.87 : 46,043.01 = 11,977.35 : x
  2. Step 2: Convert to fraction form
    30,701.87/46,043.01 = 11,977.35/x
  3. Step 3: Cross multiply
    30,701.87x = 46,043.01 × 11,977.35
  4. Step 4: Simplify right side
    30,701.87x = 551,473,245.82
  5. Step 5: Solve for x
    x = 551,473,245.82/30,701.87
  6. Step 6: Final answer
    x = 17,962.21

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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.