Home / 43,970.10-65,950.28-12,805.36

Finding the Fourth Proportional to 43,970.10, 65,950.28 and 12,805.36

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Solution

The fourth proportional to 43,970.10, 65,950.28 and 12,805.36 is: 19,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,970.10 : 65,950.28 = 12,805.36 : x
  2. Step 2: Convert to fraction form
    43,970.10/65,950.28 = 12,805.36/x
  3. Step 3: Cross multiply
    43,970.10x = 65,950.28 × 12,805.36
  4. Step 4: Simplify right side
    43,970.10x = 844,517,077.50
  5. Step 5: Solve for x
    x = 844,517,077.50/43,970.10
  6. Step 6: Final answer
    x = 19,206.62

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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.