Home / 48,385.37-72,550.38-18,768.63

Finding the Fourth Proportional to 48,385.37, 72,550.38 and 18,768.63

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Solution

The fourth proportional to 48,385.37, 72,550.38 and 18,768.63 is: 28,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385.37 : 72,550.38 = 18,768.63 : x
  2. Step 2: Convert to fraction form
    48,385.37/72,550.38 = 18,768.63/x
  3. Step 3: Cross multiply
    48,385.37x = 72,550.38 × 18,768.63
  4. Step 4: Simplify right side
    48,385.37x = 1,361,671,172.93
  5. Step 5: Solve for x
    x = 1,361,671,172.93/48,385.37
  6. Step 6: Final answer
    x = 28,142.21

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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.