Home / 39,977.99-59,901.37-13,668.38

Finding the Fourth Proportional to 39,977.99, 59,901.37 and 13,668.38

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Solution

The fourth proportional to 39,977.99, 59,901.37 and 13,668.38 is: 20,480.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.99 : 59,901.37 = 13,668.38 : x
  2. Step 2: Convert to fraction form
    39,977.99/59,901.37 = 13,668.38/x
  3. Step 3: Cross multiply
    39,977.99x = 59,901.37 × 13,668.38
  4. Step 4: Simplify right side
    39,977.99x = 818,754,687.68
  5. Step 5: Solve for x
    x = 818,754,687.68/39,977.99
  6. Step 6: Final answer
    x = 20,480.14

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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.