Home / 39,640.32-59,469.58-13,344.36

Finding the Fourth Proportional to 39,640.32, 59,469.58 and 13,344.36

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Solution

The fourth proportional to 39,640.32, 59,469.58 and 13,344.36 is: 20,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,640.32 : 59,469.58 = 13,344.36 : x
  2. Step 2: Convert to fraction form
    39,640.32/59,469.58 = 13,344.36/x
  3. Step 3: Cross multiply
    39,640.32x = 59,469.58 × 13,344.36
  4. Step 4: Simplify right side
    39,640.32x = 793,583,484.57
  5. Step 5: Solve for x
    x = 793,583,484.57/39,640.32
  6. Step 6: Final answer
    x = 20,019.60

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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.