Home / 38,480.94-57,730.07-13,522.71

Finding the Fourth Proportional to 38,480.94, 57,730.07 and 13,522.71

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Solution

The fourth proportional to 38,480.94, 57,730.07 and 13,522.71 is: 20,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.94 : 57,730.07 = 13,522.71 : x
  2. Step 2: Convert to fraction form
    38,480.94/57,730.07 = 13,522.71/x
  3. Step 3: Cross multiply
    38,480.94x = 57,730.07 × 13,522.71
  4. Step 4: Simplify right side
    38,480.94x = 780,666,994.89
  5. Step 5: Solve for x
    x = 780,666,994.89/38,480.94
  6. Step 6: Final answer
    x = 20,287.11

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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.