Home / 45,527.77-68,301.69-13,938.07

Finding the Fourth Proportional to 45,527.77, 68,301.69 and 13,938.07

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Solution

The fourth proportional to 45,527.77, 68,301.69 and 13,938.07 is: 20,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,527.77 : 68,301.69 = 13,938.07 : x
  2. Step 2: Convert to fraction form
    45,527.77/68,301.69 = 13,938.07/x
  3. Step 3: Cross multiply
    45,527.77x = 68,301.69 × 13,938.07
  4. Step 4: Simplify right side
    45,527.77x = 951,993,666.65
  5. Step 5: Solve for x
    x = 951,993,666.65/45,527.77
  6. Step 6: Final answer
    x = 20,910.18

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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.