Home / 20,435.04-30,644.58-7,953.42

Finding the Fourth Proportional to 20,435.04, 30,644.58 and 7,953.42

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Solution

The fourth proportional to 20,435.04, 30,644.58 and 7,953.42 is: 11,927.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,435.04 : 30,644.58 = 7,953.42 : x
  2. Step 2: Convert to fraction form
    20,435.04/30,644.58 = 7,953.42/x
  3. Step 3: Cross multiply
    20,435.04x = 30,644.58 × 7,953.42
  4. Step 4: Simplify right side
    20,435.04x = 243,729,215.46
  5. Step 5: Solve for x
    x = 243,729,215.46/20,435.04
  6. Step 6: Final answer
    x = 11,927.02

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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.