Home / 48,289.63-72,416.24-20,211.63

Finding the Fourth Proportional to 48,289.63, 72,416.24 and 20,211.63

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Solution

The fourth proportional to 48,289.63, 72,416.24 and 20,211.63 is: 30,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,289.63 : 72,416.24 = 20,211.63 : x
  2. Step 2: Convert to fraction form
    48,289.63/72,416.24 = 20,211.63/x
  3. Step 3: Cross multiply
    48,289.63x = 72,416.24 × 20,211.63
  4. Step 4: Simplify right side
    48,289.63x = 1,463,650,248.87
  5. Step 5: Solve for x
    x = 1,463,650,248.87/48,289.63
  6. Step 6: Final answer
    x = 30,309.83

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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.