Home / 30,896.51-42,638.18-17,098.99

Finding the Fourth Proportional to 30,896.51, 42,638.18 and 17,098.99

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Solution

The fourth proportional to 30,896.51, 42,638.18 and 17,098.99 is: 23,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,896.51 : 42,638.18 = 17,098.99 : x
  2. Step 2: Convert to fraction form
    30,896.51/42,638.18 = 17,098.99/x
  3. Step 3: Cross multiply
    30,896.51x = 42,638.18 × 17,098.99
  4. Step 4: Simplify right side
    30,896.51x = 729,069,621.35
  5. Step 5: Solve for x
    x = 729,069,621.35/30,896.51
  6. Step 6: Final answer
    x = 23,597.16

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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.