Home / 20,292.93-30,439.40-14,018.67

Finding the Fourth Proportional to 20,292.93, 30,439.40 and 14,018.67

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Solution

The fourth proportional to 20,292.93, 30,439.40 and 14,018.67 is: 21,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.93 : 30,439.40 = 14,018.67 : x
  2. Step 2: Convert to fraction form
    20,292.93/30,439.40 = 14,018.67/x
  3. Step 3: Cross multiply
    20,292.93x = 30,439.40 × 14,018.67
  4. Step 4: Simplify right side
    20,292.93x = 426,719,833.50
  5. Step 5: Solve for x
    x = 426,719,833.50/20,292.93
  6. Step 6: Final answer
    x = 21,028.01

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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.