Home / 39,509.92-59,274.06-11,428.84

Finding the Fourth Proportional to 39,509.92, 59,274.06 and 11,428.84

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Solution

The fourth proportional to 39,509.92, 59,274.06 and 11,428.84 is: 17,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,509.92 : 59,274.06 = 11,428.84 : x
  2. Step 2: Convert to fraction form
    39,509.92/59,274.06 = 11,428.84/x
  3. Step 3: Cross multiply
    39,509.92x = 59,274.06 × 11,428.84
  4. Step 4: Simplify right side
    39,509.92x = 677,433,747.89
  5. Step 5: Solve for x
    x = 677,433,747.89/39,509.92
  6. Step 6: Final answer
    x = 17,145.92

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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.