Home / 43,010.86-64,509-16,716.10

Finding the Fourth Proportional to 43,010.86, 64,509 and 16,716.10

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Solution

The fourth proportional to 43,010.86, 64,509 and 16,716.10 is: 25,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,010.86 : 64,509 = 16,716.10 : x
  2. Step 2: Convert to fraction form
    43,010.86/64,509 = 16,716.10/x
  3. Step 3: Cross multiply
    43,010.86x = 64,509 × 16,716.10
  4. Step 4: Simplify right side
    43,010.86x = 1,078,338,894.90
  5. Step 5: Solve for x
    x = 1,078,338,894.90/43,010.86
  6. Step 6: Final answer
    x = 25,071.32

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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.