Home / 45,345.62-68,007.50-14,180.87

Finding the Fourth Proportional to 45,345.62, 68,007.50 and 14,180.87

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Solution

The fourth proportional to 45,345.62, 68,007.50 and 14,180.87 is: 21,267.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,345.62 : 68,007.50 = 14,180.87 : x
  2. Step 2: Convert to fraction form
    45,345.62/68,007.50 = 14,180.87/x
  3. Step 3: Cross multiply
    45,345.62x = 68,007.50 × 14,180.87
  4. Step 4: Simplify right side
    45,345.62x = 964,405,668.82
  5. Step 5: Solve for x
    x = 964,405,668.82/45,345.62
  6. Step 6: Final answer
    x = 21,267.89

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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.