Home / 39,402.09-59,103.14-13,106.79

Finding the Fourth Proportional to 39,402.09, 59,103.14 and 13,106.79

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Solution

The fourth proportional to 39,402.09, 59,103.14 and 13,106.79 is: 19,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,402.09 : 59,103.14 = 13,106.79 : x
  2. Step 2: Convert to fraction form
    39,402.09/59,103.14 = 13,106.79/x
  3. Step 3: Cross multiply
    39,402.09x = 59,103.14 × 13,106.79
  4. Step 4: Simplify right side
    39,402.09x = 774,652,378.79
  5. Step 5: Solve for x
    x = 774,652,378.79/39,402.09
  6. Step 6: Final answer
    x = 19,660.19

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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.