Home / 62,399.25-86,080.86-40,879.65

Finding the Fourth Proportional to 62,399.25, 86,080.86 and 40,879.65

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Solution

The fourth proportional to 62,399.25, 86,080.86 and 40,879.65 is: 56,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,399.25 : 86,080.86 = 40,879.65 : x
  2. Step 2: Convert to fraction form
    62,399.25/86,080.86 = 40,879.65/x
  3. Step 3: Cross multiply
    62,399.25x = 86,080.86 × 40,879.65
  4. Step 4: Simplify right side
    62,399.25x = 3,518,955,428.50
  5. Step 5: Solve for x
    x = 3,518,955,428.50/62,399.25
  6. Step 6: Final answer
    x = 56,394.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.