Home / 30,698.13-42,359.99-17,269.11

Finding the Fourth Proportional to 30,698.13, 42,359.99 and 17,269.11

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Solution

The fourth proportional to 30,698.13, 42,359.99 and 17,269.11 is: 23,829.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,698.13 : 42,359.99 = 17,269.11 : x
  2. Step 2: Convert to fraction form
    30,698.13/42,359.99 = 17,269.11/x
  3. Step 3: Cross multiply
    30,698.13x = 42,359.99 × 17,269.11
  4. Step 4: Simplify right side
    30,698.13x = 731,519,199.42
  5. Step 5: Solve for x
    x = 731,519,199.42/30,698.13
  6. Step 6: Final answer
    x = 23,829.44

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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.