Home / 38,996.89-58,501.80-13,689.84

Finding the Fourth Proportional to 38,996.89, 58,501.80 and 13,689.84

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Solution

The fourth proportional to 38,996.89, 58,501.80 and 13,689.84 is: 20,537.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,996.89 : 58,501.80 = 13,689.84 : x
  2. Step 2: Convert to fraction form
    38,996.89/58,501.80 = 13,689.84/x
  3. Step 3: Cross multiply
    38,996.89x = 58,501.80 × 13,689.84
  4. Step 4: Simplify right side
    38,996.89x = 800,880,281.71
  5. Step 5: Solve for x
    x = 800,880,281.71/38,996.89
  6. Step 6: Final answer
    x = 20,537.03

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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.