Home / 39,124.92-58,684.82-11,420.60

Finding the Fourth Proportional to 39,124.92, 58,684.82 and 11,420.60

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Solution

The fourth proportional to 39,124.92, 58,684.82 and 11,420.60 is: 17,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,124.92 : 58,684.82 = 11,420.60 : x
  2. Step 2: Convert to fraction form
    39,124.92/58,684.82 = 11,420.60/x
  3. Step 3: Cross multiply
    39,124.92x = 58,684.82 × 11,420.60
  4. Step 4: Simplify right side
    39,124.92x = 670,215,855.29
  5. Step 5: Solve for x
    x = 670,215,855.29/39,124.92
  6. Step 6: Final answer
    x = 17,130.15

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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.