Home / 39,345.44-59,014.32-11,643.68

Finding the Fourth Proportional to 39,345.44, 59,014.32 and 11,643.68

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Solution

The fourth proportional to 39,345.44, 59,014.32 and 11,643.68 is: 17,464.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,345.44 : 59,014.32 = 11,643.68 : x
  2. Step 2: Convert to fraction form
    39,345.44/59,014.32 = 11,643.68/x
  3. Step 3: Cross multiply
    39,345.44x = 59,014.32 × 11,643.68
  4. Step 4: Simplify right side
    39,345.44x = 687,143,857.50
  5. Step 5: Solve for x
    x = 687,143,857.50/39,345.44
  6. Step 6: Final answer
    x = 17,464.38

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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.