Home / 30,647.25-42,293.76-17,036.57

Finding the Fourth Proportional to 30,647.25, 42,293.76 and 17,036.57

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Solution

The fourth proportional to 30,647.25, 42,293.76 and 17,036.57 is: 23,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,647.25 : 42,293.76 = 17,036.57 : x
  2. Step 2: Convert to fraction form
    30,647.25/42,293.76 = 17,036.57/x
  3. Step 3: Cross multiply
    30,647.25x = 42,293.76 × 17,036.57
  4. Step 4: Simplify right side
    30,647.25x = 720,540,391.33
  5. Step 5: Solve for x
    x = 720,540,391.33/30,647.25
  6. Step 6: Final answer
    x = 23,510.77

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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.