Home / 30,559.92-42,173.44-17,130.56

Finding the Fourth Proportional to 30,559.92, 42,173.44 and 17,130.56

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Solution

The fourth proportional to 30,559.92, 42,173.44 and 17,130.56 is: 23,640.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559.92 : 42,173.44 = 17,130.56 : x
  2. Step 2: Convert to fraction form
    30,559.92/42,173.44 = 17,130.56/x
  3. Step 3: Cross multiply
    30,559.92x = 42,173.44 × 17,130.56
  4. Step 4: Simplify right side
    30,559.92x = 722,454,644.33
  5. Step 5: Solve for x
    x = 722,454,644.33/30,559.92
  6. Step 6: Final answer
    x = 23,640.59

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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.