Home / 30,289.76-41,799.41-16,860.99

Finding the Fourth Proportional to 30,289.76, 41,799.41 and 16,860.99

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Solution

The fourth proportional to 30,289.76, 41,799.41 and 16,860.99 is: 23,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.76 : 41,799.41 = 16,860.99 : x
  2. Step 2: Convert to fraction form
    30,289.76/41,799.41 = 16,860.99/x
  3. Step 3: Cross multiply
    30,289.76x = 41,799.41 × 16,860.99
  4. Step 4: Simplify right side
    30,289.76x = 704,779,349.71
  5. Step 5: Solve for x
    x = 704,779,349.71/30,289.76
  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.