Home / 20,537.10-30,817.80-14,976.45

Finding the Fourth Proportional to 20,537.10, 30,817.80 and 14,976.45

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Solution

The fourth proportional to 20,537.10, 30,817.80 and 14,976.45 is: 22,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.10 : 30,817.80 = 14,976.45 : x
  2. Step 2: Convert to fraction form
    20,537.10/30,817.80 = 14,976.45/x
  3. Step 3: Cross multiply
    20,537.10x = 30,817.80 × 14,976.45
  4. Step 4: Simplify right side
    20,537.10x = 461,541,240.81
  5. Step 5: Solve for x
    x = 461,541,240.81/20,537.10
  6. Step 6: Final answer
    x = 22,473.54

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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.