Home / 38,364.41-57,520.59-13,390.81

Finding the Fourth Proportional to 38,364.41, 57,520.59 and 13,390.81

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Solution

The fourth proportional to 38,364.41, 57,520.59 and 13,390.81 is: 20,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,364.41 : 57,520.59 = 13,390.81 : x
  2. Step 2: Convert to fraction form
    38,364.41/57,520.59 = 13,390.81/x
  3. Step 3: Cross multiply
    38,364.41x = 57,520.59 × 13,390.81
  4. Step 4: Simplify right side
    38,364.41x = 770,247,097.76
  5. Step 5: Solve for x
    x = 770,247,097.76/38,364.41
  6. Step 6: Final answer
    x = 20,077.12

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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.