Home / 45,044.86-67,574.58-18,750.64

Finding the Fourth Proportional to 45,044.86, 67,574.58 and 18,750.64

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Solution

The fourth proportional to 45,044.86, 67,574.58 and 18,750.64 is: 28,128.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,044.86 : 67,574.58 = 18,750.64 : x
  2. Step 2: Convert to fraction form
    45,044.86/67,574.58 = 18,750.64/x
  3. Step 3: Cross multiply
    45,044.86x = 67,574.58 × 18,750.64
  4. Step 4: Simplify right side
    45,044.86x = 1,267,066,622.73
  5. Step 5: Solve for x
    x = 1,267,066,622.73/45,044.86
  6. Step 6: Final answer
    x = 28,128.99

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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.