Home / 30,798.99-46,199.79-12,077.37

Finding the Fourth Proportional to 30,798.99, 46,199.79 and 12,077.37

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Solution

The fourth proportional to 30,798.99, 46,199.79 and 12,077.37 is: 18,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,798.99 : 46,199.79 = 12,077.37 : x
  2. Step 2: Convert to fraction form
    30,798.99/46,199.79 = 12,077.37/x
  3. Step 3: Cross multiply
    30,798.99x = 46,199.79 × 12,077.37
  4. Step 4: Simplify right side
    30,798.99x = 557,971,957.75
  5. Step 5: Solve for x
    x = 557,971,957.75/30,798.99
  6. Step 6: Final answer
    x = 18,116.57

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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.