Home / 39,643.80-59,459.94-11,556.33

Finding the Fourth Proportional to 39,643.80, 59,459.94 and 11,556.33

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Solution

The fourth proportional to 39,643.80, 59,459.94 and 11,556.33 is: 17,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,643.80 : 59,459.94 = 11,556.33 : x
  2. Step 2: Convert to fraction form
    39,643.80/59,459.94 = 11,556.33/x
  3. Step 3: Cross multiply
    39,643.80x = 59,459.94 × 11,556.33
  4. Step 4: Simplify right side
    39,643.80x = 687,138,688.42
  5. Step 5: Solve for x
    x = 687,138,688.42/39,643.80
  6. Step 6: Final answer
    x = 17,332.82

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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.