Home / 38,818.43-58,239.95-13,857.94

Finding the Fourth Proportional to 38,818.43, 58,239.95 and 13,857.94

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Solution

The fourth proportional to 38,818.43, 58,239.95 and 13,857.94 is: 20,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818.43 : 58,239.95 = 13,857.94 : x
  2. Step 2: Convert to fraction form
    38,818.43/58,239.95 = 13,857.94/x
  3. Step 3: Cross multiply
    38,818.43x = 58,239.95 × 13,857.94
  4. Step 4: Simplify right side
    38,818.43x = 807,085,736.21
  5. Step 5: Solve for x
    x = 807,085,736.21/38,818.43
  6. Step 6: Final answer
    x = 20,791.30

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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.