Home / 38,857.80-58,274.34-12,556.32

Finding the Fourth Proportional to 38,857.80, 58,274.34 and 12,556.32

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Solution

The fourth proportional to 38,857.80, 58,274.34 and 12,556.32 is: 18,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,857.80 : 58,274.34 = 12,556.32 : x
  2. Step 2: Convert to fraction form
    38,857.80/58,274.34 = 12,556.32/x
  3. Step 3: Cross multiply
    38,857.80x = 58,274.34 × 12,556.32
  4. Step 4: Simplify right side
    38,857.80x = 731,711,260.83
  5. Step 5: Solve for x
    x = 731,711,260.83/38,857.80
  6. Step 6: Final answer
    x = 18,830.49

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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.