Home / 31,221.05-46,864.58-30,515.94

Finding the Fourth Proportional to 31,221.05, 46,864.58 and 30,515.94

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Solution

The fourth proportional to 31,221.05, 46,864.58 and 30,515.94 is: 45,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.05 : 46,864.58 = 30,515.94 : x
  2. Step 2: Convert to fraction form
    31,221.05/46,864.58 = 30,515.94/x
  3. Step 3: Cross multiply
    31,221.05x = 46,864.58 × 30,515.94
  4. Step 4: Simplify right side
    31,221.05x = 1,430,116,558.83
  5. Step 5: Solve for x
    x = 1,430,116,558.83/31,221.05
  6. Step 6: Final answer
    x = 45,806.17

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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.