Home / 30,289.21-41,798.13-16,860.02

Finding the Fourth Proportional to 30,289.21, 41,798.13 and 16,860.02

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Solution

The fourth proportional to 30,289.21, 41,798.13 and 16,860.02 is: 23,266.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.21 : 41,798.13 = 16,860.02 : x
  2. Step 2: Convert to fraction form
    30,289.21/41,798.13 = 16,860.02/x
  3. Step 3: Cross multiply
    30,289.21x = 41,798.13 × 16,860.02
  4. Step 4: Simplify right side
    30,289.21x = 704,717,035.55
  5. Step 5: Solve for x
    x = 704,717,035.55/30,289.21
  6. Step 6: Final answer
    x = 23,266.28

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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.