Home / 39,310.98-58,954.32-13,010.28

Finding the Fourth Proportional to 39,310.98, 58,954.32 and 13,010.28

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Solution

The fourth proportional to 39,310.98, 58,954.32 and 13,010.28 is: 19,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310.98 : 58,954.32 = 13,010.28 : x
  2. Step 2: Convert to fraction form
    39,310.98/58,954.32 = 13,010.28/x
  3. Step 3: Cross multiply
    39,310.98x = 58,954.32 × 13,010.28
  4. Step 4: Simplify right side
    39,310.98x = 767,012,210.41
  5. Step 5: Solve for x
    x = 767,012,210.41/39,310.98
  6. Step 6: Final answer
    x = 19,511.40

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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.