Home / 39,736.28-59,567.36-13,422.62

Finding the Fourth Proportional to 39,736.28, 59,567.36 and 13,422.62

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Solution

The fourth proportional to 39,736.28, 59,567.36 and 13,422.62 is: 20,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,736.28 : 59,567.36 = 13,422.62 : x
  2. Step 2: Convert to fraction form
    39,736.28/59,567.36 = 13,422.62/x
  3. Step 3: Cross multiply
    39,736.28x = 59,567.36 × 13,422.62
  4. Step 4: Simplify right side
    39,736.28x = 799,549,672.73
  5. Step 5: Solve for x
    x = 799,549,672.73/39,736.28
  6. Step 6: Final answer
    x = 20,121.40

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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.