Home / 30,541.86-45,805.61-17,220.60

Finding the Fourth Proportional to 30,541.86, 45,805.61 and 17,220.60

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Solution

The fourth proportional to 30,541.86, 45,805.61 and 17,220.60 is: 25,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,541.86 : 45,805.61 = 17,220.60 : x
  2. Step 2: Convert to fraction form
    30,541.86/45,805.61 = 17,220.60/x
  3. Step 3: Cross multiply
    30,541.86x = 45,805.61 × 17,220.60
  4. Step 4: Simplify right side
    30,541.86x = 788,800,087.57
  5. Step 5: Solve for x
    x = 788,800,087.57/30,541.86
  6. Step 6: Final answer
    x = 25,826.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.