Home / 30,558.34-45,833.46-13,900.42

Finding the Fourth Proportional to 30,558.34, 45,833.46 and 13,900.42

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Solution

The fourth proportional to 30,558.34, 45,833.46 and 13,900.42 is: 20,848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.34 : 45,833.46 = 13,900.42 : x
  2. Step 2: Convert to fraction form
    30,558.34/45,833.46 = 13,900.42/x
  3. Step 3: Cross multiply
    30,558.34x = 45,833.46 × 13,900.42
  4. Step 4: Simplify right side
    30,558.34x = 637,104,344.05
  5. Step 5: Solve for x
    x = 637,104,344.05/30,558.34
  6. Step 6: Final answer
    x = 20,848.79

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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.