Home / 30,235.12-45,287.04-14,620

Finding the Fourth Proportional to 30,235.12, 45,287.04 and 14,620

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Solution

The fourth proportional to 30,235.12, 45,287.04 and 14,620 is: 21,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235.12 : 45,287.04 = 14,620 : x
  2. Step 2: Convert to fraction form
    30,235.12/45,287.04 = 14,620/x
  3. Step 3: Cross multiply
    30,235.12x = 45,287.04 × 14,620
  4. Step 4: Simplify right side
    30,235.12x = 662,096,524.80
  5. Step 5: Solve for x
    x = 662,096,524.80/30,235.12
  6. Step 6: Final answer
    x = 21,898.26

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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.