Home / 45,730.58-68,549.09-30,941.06

Finding the Fourth Proportional to 45,730.58, 68,549.09 and 30,941.06

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Solution

The fourth proportional to 45,730.58, 68,549.09 and 30,941.06 is: 46,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,730.58 : 68,549.09 = 30,941.06 : x
  2. Step 2: Convert to fraction form
    45,730.58/68,549.09 = 30,941.06/x
  3. Step 3: Cross multiply
    45,730.58x = 68,549.09 × 30,941.06
  4. Step 4: Simplify right side
    45,730.58x = 2,120,981,009.18
  5. Step 5: Solve for x
    x = 2,120,981,009.18/45,730.58
  6. Step 6: Final answer
    x = 46,379.93

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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.