Home / 39,660.96-59,489.73-13,365.60

Finding the Fourth Proportional to 39,660.96, 59,489.73 and 13,365.60

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Solution

The fourth proportional to 39,660.96, 59,489.73 and 13,365.60 is: 20,047.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.96 : 59,489.73 = 13,365.60 : x
  2. Step 2: Convert to fraction form
    39,660.96/59,489.73 = 13,365.60/x
  3. Step 3: Cross multiply
    39,660.96x = 59,489.73 × 13,365.60
  4. Step 4: Simplify right side
    39,660.96x = 795,115,935.29
  5. Step 5: Solve for x
    x = 795,115,935.29/39,660.96
  6. Step 6: Final answer
    x = 20,047.82

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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.