Home / 38,818.58-58,213.55-13,851.95

Finding the Fourth Proportional to 38,818.58, 58,213.55 and 13,851.95

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Solution

The fourth proportional to 38,818.58, 58,213.55 and 13,851.95 is: 20,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818.58 : 58,213.55 = 13,851.95 : x
  2. Step 2: Convert to fraction form
    38,818.58/58,213.55 = 13,851.95/x
  3. Step 3: Cross multiply
    38,818.58x = 58,213.55 × 13,851.95
  4. Step 4: Simplify right side
    38,818.58x = 806,370,823.60
  5. Step 5: Solve for x
    x = 806,370,823.60/38,818.58
  6. Step 6: Final answer
    x = 20,772.81

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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.