Home / 39,777.08-59,668.25-11,699.64

Finding the Fourth Proportional to 39,777.08, 59,668.25 and 11,699.64

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Solution

The fourth proportional to 39,777.08, 59,668.25 and 11,699.64 is: 17,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,777.08 : 59,668.25 = 11,699.64 : x
  2. Step 2: Convert to fraction form
    39,777.08/59,668.25 = 11,699.64/x
  3. Step 3: Cross multiply
    39,777.08x = 59,668.25 × 11,699.64
  4. Step 4: Simplify right side
    39,777.08x = 698,096,985.93
  5. Step 5: Solve for x
    x = 698,096,985.93/39,777.08
  6. Step 6: Final answer
    x = 17,550.23

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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.