Home / 39,626.80-59,449.30-13,330.86

Finding the Fourth Proportional to 39,626.80, 59,449.30 and 13,330.86

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Solution

The fourth proportional to 39,626.80, 59,449.30 and 13,330.86 is: 19,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,626.80 : 59,449.30 = 13,330.86 : x
  2. Step 2: Convert to fraction form
    39,626.80/59,449.30 = 13,330.86/x
  3. Step 3: Cross multiply
    39,626.80x = 59,449.30 × 13,330.86
  4. Step 4: Simplify right side
    39,626.80x = 792,510,295.40
  5. Step 5: Solve for x
    x = 792,510,295.40/39,626.80
  6. Step 6: Final answer
    x = 19,999.35

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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.