Home / 30,469.24-42,047.25-17,040.34

Finding the Fourth Proportional to 30,469.24, 42,047.25 and 17,040.34

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Solution

The fourth proportional to 30,469.24, 42,047.25 and 17,040.34 is: 23,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,469.24 : 42,047.25 = 17,040.34 : x
  2. Step 2: Convert to fraction form
    30,469.24/42,047.25 = 17,040.34/x
  3. Step 3: Cross multiply
    30,469.24x = 42,047.25 × 17,040.34
  4. Step 4: Simplify right side
    30,469.24x = 716,499,436.07
  5. Step 5: Solve for x
    x = 716,499,436.07/30,469.24
  6. Step 6: Final answer
    x = 23,515.50

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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.