Home / 30,807.21-42,514.21-17,009.99

Finding the Fourth Proportional to 30,807.21, 42,514.21 and 17,009.99

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Solution

The fourth proportional to 30,807.21, 42,514.21 and 17,009.99 is: 23,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,807.21 : 42,514.21 = 17,009.99 : x
  2. Step 2: Convert to fraction form
    30,807.21/42,514.21 = 17,009.99/x
  3. Step 3: Cross multiply
    30,807.21x = 42,514.21 × 17,009.99
  4. Step 4: Simplify right side
    30,807.21x = 723,166,286.96
  5. Step 5: Solve for x
    x = 723,166,286.96/30,807.21
  6. Step 6: Final answer
    x = 23,473.93

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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.