Home / 45,285.24-67,832.10-28,636.68

Finding the Fourth Proportional to 45,285.24, 67,832.10 and 28,636.68

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Solution

The fourth proportional to 45,285.24, 67,832.10 and 28,636.68 is: 42,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,285.24 : 67,832.10 = 28,636.68 : x
  2. Step 2: Convert to fraction form
    45,285.24/67,832.10 = 28,636.68/x
  3. Step 3: Cross multiply
    45,285.24x = 67,832.10 × 28,636.68
  4. Step 4: Simplify right side
    45,285.24x = 1,942,486,141.43
  5. Step 5: Solve for x
    x = 1,942,486,141.43/45,285.24
  6. Step 6: Final answer
    x = 42,894.46

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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.