Home / 39,636.12-59,462.94-13,340

Finding the Fourth Proportional to 39,636.12, 59,462.94 and 13,340

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Solution

The fourth proportional to 39,636.12, 59,462.94 and 13,340 is: 20,012.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,636.12 : 59,462.94 = 13,340 : x
  2. Step 2: Convert to fraction form
    39,636.12/59,462.94 = 13,340/x
  3. Step 3: Cross multiply
    39,636.12x = 59,462.94 × 13,340
  4. Step 4: Simplify right side
    39,636.12x = 793,235,619.60
  5. Step 5: Solve for x
    x = 793,235,619.60/39,636.12
  6. Step 6: Final answer
    x = 20,012.95

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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.