Home / 39,960.99-59,875.88-13,651.38

Finding the Fourth Proportional to 39,960.99, 59,875.88 and 13,651.38

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Solution

The fourth proportional to 39,960.99, 59,875.88 and 13,651.38 is: 20,454.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960.99 : 59,875.88 = 13,651.38 : x
  2. Step 2: Convert to fraction form
    39,960.99/59,875.88 = 13,651.38/x
  3. Step 3: Cross multiply
    39,960.99x = 59,875.88 × 13,651.38
  4. Step 4: Simplify right side
    39,960.99x = 817,388,322.46
  5. Step 5: Solve for x
    x = 817,388,322.46/39,960.99
  6. Step 6: Final answer
    x = 20,454.66

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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.