Home / 39,160.80-58,741.32-12,867.60

Finding the Fourth Proportional to 39,160.80, 58,741.32 and 12,867.60

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Solution

The fourth proportional to 39,160.80, 58,741.32 and 12,867.60 is: 19,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,160.80 : 58,741.32 = 12,867.60 : x
  2. Step 2: Convert to fraction form
    39,160.80/58,741.32 = 12,867.60/x
  3. Step 3: Cross multiply
    39,160.80x = 58,741.32 × 12,867.60
  4. Step 4: Simplify right side
    39,160.80x = 755,859,809.23
  5. Step 5: Solve for x
    x = 755,859,809.23/39,160.80
  6. Step 6: Final answer
    x = 19,301.44

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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.