Home / 39,448.41-59,150.73-13,138.80

Finding the Fourth Proportional to 39,448.41, 59,150.73 and 13,138.80

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Solution

The fourth proportional to 39,448.41, 59,150.73 and 13,138.80 is: 19,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,448.41 : 59,150.73 = 13,138.80 : x
  2. Step 2: Convert to fraction form
    39,448.41/59,150.73 = 13,138.80/x
  3. Step 3: Cross multiply
    39,448.41x = 59,150.73 × 13,138.80
  4. Step 4: Simplify right side
    39,448.41x = 777,169,611.32
  5. Step 5: Solve for x
    x = 777,169,611.32/39,448.41
  6. Step 6: Final answer
    x = 19,700.91

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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.