Home / 39,639.85-59,459.37-13,344.42

Finding the Fourth Proportional to 39,639.85, 59,459.37 and 13,344.42

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Solution

The fourth proportional to 39,639.85, 59,459.37 and 13,344.42 is: 20,016.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,639.85 : 59,459.37 = 13,344.42 : x
  2. Step 2: Convert to fraction form
    39,639.85/59,459.37 = 13,344.42/x
  3. Step 3: Cross multiply
    39,639.85x = 59,459.37 × 13,344.42
  4. Step 4: Simplify right side
    39,639.85x = 793,450,806.22
  5. Step 5: Solve for x
    x = 793,450,806.22/39,639.85
  6. Step 6: Final answer
    x = 20,016.49

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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.