Home / 39,343.88-59,033.26-20,619.47

Finding the Fourth Proportional to 39,343.88, 59,033.26 and 20,619.47

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Solution

The fourth proportional to 39,343.88, 59,033.26 and 20,619.47 is: 30,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,343.88 : 59,033.26 = 20,619.47 : x
  2. Step 2: Convert to fraction form
    39,343.88/59,033.26 = 20,619.47/x
  3. Step 3: Cross multiply
    39,343.88x = 59,033.26 × 20,619.47
  4. Step 4: Simplify right side
    39,343.88x = 1,217,234,533.57
  5. Step 5: Solve for x
    x = 1,217,234,533.57/39,343.88
  6. Step 6: Final answer
    x = 30,938.35

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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.