Home / 48,234.89-72,352.37-20,139.64

Finding the Fourth Proportional to 48,234.89, 72,352.37 and 20,139.64

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Solution

The fourth proportional to 48,234.89, 72,352.37 and 20,139.64 is: 30,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,234.89 : 72,352.37 = 20,139.64 : x
  2. Step 2: Convert to fraction form
    48,234.89/72,352.37 = 20,139.64/x
  3. Step 3: Cross multiply
    48,234.89x = 72,352.37 × 20,139.64
  4. Step 4: Simplify right side
    48,234.89x = 1,457,150,222.49
  5. Step 5: Solve for x
    x = 1,457,150,222.49/48,234.89
  6. Step 6: Final answer
    x = 30,209.47

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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.