Home / 39,765.99-59,652.03-13,101.60

Finding the Fourth Proportional to 39,765.99, 59,652.03 and 13,101.60

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Solution

The fourth proportional to 39,765.99, 59,652.03 and 13,101.60 is: 19,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,765.99 : 59,652.03 = 13,101.60 : x
  2. Step 2: Convert to fraction form
    39,765.99/59,652.03 = 13,101.60/x
  3. Step 3: Cross multiply
    39,765.99x = 59,652.03 × 13,101.60
  4. Step 4: Simplify right side
    39,765.99x = 781,537,036.25
  5. Step 5: Solve for x
    x = 781,537,036.25/39,765.99
  6. Step 6: Final answer
    x = 19,653.40

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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.