Home / 40,699.66-61,039.67-11,117.65

Finding the Fourth Proportional to 40,699.66, 61,039.67 and 11,117.65

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Solution

The fourth proportional to 40,699.66, 61,039.67 and 11,117.65 is: 16,673.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,699.66 : 61,039.67 = 11,117.65 : x
  2. Step 2: Convert to fraction form
    40,699.66/61,039.67 = 11,117.65/x
  3. Step 3: Cross multiply
    40,699.66x = 61,039.67 × 11,117.65
  4. Step 4: Simplify right side
    40,699.66x = 678,617,687.18
  5. Step 5: Solve for x
    x = 678,617,687.18/40,699.66
  6. Step 6: Final answer
    x = 16,673.79

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1.5x scale

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.