Home / 38,121.69-57,188.04-14,422.81

Finding the Fourth Proportional to 38,121.69, 57,188.04 and 14,422.81

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Solution

The fourth proportional to 38,121.69, 57,188.04 and 14,422.81 is: 21,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,121.69 : 57,188.04 = 14,422.81 : x
  2. Step 2: Convert to fraction form
    38,121.69/57,188.04 = 14,422.81/x
  3. Step 3: Cross multiply
    38,121.69x = 57,188.04 × 14,422.81
  4. Step 4: Simplify right side
    38,121.69x = 824,812,235.19
  5. Step 5: Solve for x
    x = 824,812,235.19/38,121.69
  6. Step 6: Final answer
    x = 21,636.30

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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.