Home / 20,041.80-30,065.78-14,536.72

Finding the Fourth Proportional to 20,041.80, 30,065.78 and 14,536.72

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Solution

The fourth proportional to 20,041.80, 30,065.78 and 14,536.72 is: 21,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.80 : 30,065.78 = 14,536.72 : x
  2. Step 2: Convert to fraction form
    20,041.80/30,065.78 = 14,536.72/x
  3. Step 3: Cross multiply
    20,041.80x = 30,065.78 × 14,536.72
  4. Step 4: Simplify right side
    20,041.80x = 437,057,730.25
  5. Step 5: Solve for x
    x = 437,057,730.25/20,041.80
  6. Step 6: Final answer
    x = 21,807.30

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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.