Home / 39,765.76-59,635.88-17,578.64

Finding the Fourth Proportional to 39,765.76, 59,635.88 and 17,578.64

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Solution

The fourth proportional to 39,765.76, 59,635.88 and 17,578.64 is: 26,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,765.76 : 59,635.88 = 17,578.64 : x
  2. Step 2: Convert to fraction form
    39,765.76/59,635.88 = 17,578.64/x
  3. Step 3: Cross multiply
    39,765.76x = 59,635.88 × 17,578.64
  4. Step 4: Simplify right side
    39,765.76x = 1,048,317,665.60
  5. Step 5: Solve for x
    x = 1,048,317,665.60/39,765.76
  6. Step 6: Final answer
    x = 26,362.32

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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.