Home / 39,919.16-59,878.99-11,839.45

Finding the Fourth Proportional to 39,919.16, 59,878.99 and 11,839.45

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Solution

The fourth proportional to 39,919.16, 59,878.99 and 11,839.45 is: 17,759.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,919.16 : 59,878.99 = 11,839.45 : x
  2. Step 2: Convert to fraction form
    39,919.16/59,878.99 = 11,839.45/x
  3. Step 3: Cross multiply
    39,919.16x = 59,878.99 × 11,839.45
  4. Step 4: Simplify right side
    39,919.16x = 708,934,173.26
  5. Step 5: Solve for x
    x = 708,934,173.26/39,919.16
  6. Step 6: Final answer
    x = 17,759.24

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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.