Home / 20,293.23-30,390.64-14,035.68

Finding the Fourth Proportional to 20,293.23, 30,390.64 and 14,035.68

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Solution

The fourth proportional to 20,293.23, 30,390.64 and 14,035.68 is: 21,019.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.23 : 30,390.64 = 14,035.68 : x
  2. Step 2: Convert to fraction form
    20,293.23/30,390.64 = 14,035.68/x
  3. Step 3: Cross multiply
    20,293.23x = 30,390.64 × 14,035.68
  4. Step 4: Simplify right side
    20,293.23x = 426,553,262.95
  5. Step 5: Solve for x
    x = 426,553,262.95/20,293.23
  6. Step 6: Final answer
    x = 21,019.49

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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.