Home / 30,523.48-42,125.88-18,593.80

Finding the Fourth Proportional to 30,523.48, 42,125.88 and 18,593.80

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Solution

The fourth proportional to 30,523.48, 42,125.88 and 18,593.80 is: 25,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,523.48 : 42,125.88 = 18,593.80 : x
  2. Step 2: Convert to fraction form
    30,523.48/42,125.88 = 18,593.80/x
  3. Step 3: Cross multiply
    30,523.48x = 42,125.88 × 18,593.80
  4. Step 4: Simplify right side
    30,523.48x = 783,280,187.54
  5. Step 5: Solve for x
    x = 783,280,187.54/30,523.48
  6. Step 6: Final answer
    x = 25,661.56

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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.