Home / 43,918.54-65,886.30-14,328.42

Finding the Fourth Proportional to 43,918.54, 65,886.30 and 14,328.42

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Solution

The fourth proportional to 43,918.54, 65,886.30 and 14,328.42 is: 21,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,918.54 : 65,886.30 = 14,328.42 : x
  2. Step 2: Convert to fraction form
    43,918.54/65,886.30 = 14,328.42/x
  3. Step 3: Cross multiply
    43,918.54x = 65,886.30 × 14,328.42
  4. Step 4: Simplify right side
    43,918.54x = 944,046,578.65
  5. Step 5: Solve for x
    x = 944,046,578.65/43,918.54
  6. Step 6: Final answer
    x = 21,495.40

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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.