Home / 39,732.10-59,591.60-13,078.44

Finding the Fourth Proportional to 39,732.10, 59,591.60 and 13,078.44

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Solution

The fourth proportional to 39,732.10, 59,591.60 and 13,078.44 is: 19,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,732.10 : 59,591.60 = 13,078.44 : x
  2. Step 2: Convert to fraction form
    39,732.10/59,591.60 = 13,078.44/x
  3. Step 3: Cross multiply
    39,732.10x = 59,591.60 × 13,078.44
  4. Step 4: Simplify right side
    39,732.10x = 779,365,016.13
  5. Step 5: Solve for x
    x = 779,365,016.13/39,732.10
  6. Step 6: Final answer
    x = 19,615.50

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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.