Home / 20,529.39-30,717.18-14,619.93

Finding the Fourth Proportional to 20,529.39, 30,717.18 and 14,619.93

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Solution

The fourth proportional to 20,529.39, 30,717.18 and 14,619.93 is: 21,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529.39 : 30,717.18 = 14,619.93 : x
  2. Step 2: Convert to fraction form
    20,529.39/30,717.18 = 14,619.93/x
  3. Step 3: Cross multiply
    20,529.39x = 30,717.18 × 14,619.93
  4. Step 4: Simplify right side
    20,529.39x = 449,083,021.40
  5. Step 5: Solve for x
    x = 449,083,021.40/20,529.39
  6. Step 6: Final answer
    x = 21,875.13

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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.