Home / 38,818.70-58,240.35-13,858.19

Finding the Fourth Proportional to 38,818.70, 58,240.35 and 13,858.19

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Solution

The fourth proportional to 38,818.70, 58,240.35 and 13,858.19 is: 20,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818.70 : 58,240.35 = 13,858.19 : x
  2. Step 2: Convert to fraction form
    38,818.70/58,240.35 = 13,858.19/x
  3. Step 3: Cross multiply
    38,818.70x = 58,240.35 × 13,858.19
  4. Step 4: Simplify right side
    38,818.70x = 807,105,981.57
  5. Step 5: Solve for x
    x = 807,105,981.57/38,818.70
  6. Step 6: Final answer
    x = 20,791.68

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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.