Home / 30,499.89-42,089.94-17,071.17

Finding the Fourth Proportional to 30,499.89, 42,089.94 and 17,071.17

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Solution

The fourth proportional to 30,499.89, 42,089.94 and 17,071.17 is: 23,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,499.89 : 42,089.94 = 17,071.17 : x
  2. Step 2: Convert to fraction form
    30,499.89/42,089.94 = 17,071.17/x
  3. Step 3: Cross multiply
    30,499.89x = 42,089.94 × 17,071.17
  4. Step 4: Simplify right side
    30,499.89x = 718,524,521.03
  5. Step 5: Solve for x
    x = 718,524,521.03/30,499.89
  6. Step 6: Final answer
    x = 23,558.27

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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.