Home / 39,936.83-59,898.88-13,280.60

Finding the Fourth Proportional to 39,936.83, 59,898.88 and 13,280.60

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Solution

The fourth proportional to 39,936.83, 59,898.88 and 13,280.60 is: 19,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936.83 : 59,898.88 = 13,280.60 : x
  2. Step 2: Convert to fraction form
    39,936.83/59,898.88 = 13,280.60/x
  3. Step 3: Cross multiply
    39,936.83x = 59,898.88 × 13,280.60
  4. Step 4: Simplify right side
    39,936.83x = 795,492,733.03
  5. Step 5: Solve for x
    x = 795,492,733.03/39,936.83
  6. Step 6: Final answer
    x = 19,918.78

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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.