Home / 30,289.75-41,799.41-16,860.98

Finding the Fourth Proportional to 30,289.75, 41,799.41 and 16,860.98

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Solution

The fourth proportional to 30,289.75, 41,799.41 and 16,860.98 is: 23,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.75 : 41,799.41 = 16,860.98 : x
  2. Step 2: Convert to fraction form
    30,289.75/41,799.41 = 16,860.98/x
  3. Step 3: Cross multiply
    30,289.75x = 41,799.41 × 16,860.98
  4. Step 4: Simplify right side
    30,289.75x = 704,779,036.22
  5. Step 5: Solve for x
    x = 704,779,036.22/30,289.75
  6. Step 6: Final answer
    x = 23,267.91

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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.