Home / 39,673.28-59,394.36-20,908.64

Finding the Fourth Proportional to 39,673.28, 59,394.36 and 20,908.64

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Solution

The fourth proportional to 39,673.28, 59,394.36 and 20,908.64 is: 31,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,673.28 : 59,394.36 = 20,908.64 : x
  2. Step 2: Convert to fraction form
    39,673.28/59,394.36 = 20,908.64/x
  3. Step 3: Cross multiply
    39,673.28x = 59,394.36 × 20,908.64
  4. Step 4: Simplify right side
    39,673.28x = 1,241,855,291.27
  5. Step 5: Solve for x
    x = 1,241,855,291.27/39,673.28
  6. Step 6: Final answer
    x = 31,302.06

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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.