Home / 39,735.90-59,566.79-13,422.24

Finding the Fourth Proportional to 39,735.90, 59,566.79 and 13,422.24

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Solution

The fourth proportional to 39,735.90, 59,566.79 and 13,422.24 is: 20,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,735.90 : 59,566.79 = 13,422.24 : x
  2. Step 2: Convert to fraction form
    39,735.90/59,566.79 = 13,422.24/x
  3. Step 3: Cross multiply
    39,735.90x = 59,566.79 × 13,422.24
  4. Step 4: Simplify right side
    39,735.90x = 799,519,784.97
  5. Step 5: Solve for x
    x = 799,519,784.97/39,735.90
  6. Step 6: Final answer
    x = 20,120.84

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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.