Home / 30,565.96-45,849.11-13,914.35

Finding the Fourth Proportional to 30,565.96, 45,849.11 and 13,914.35

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Solution

The fourth proportional to 30,565.96, 45,849.11 and 13,914.35 is: 20,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,565.96 : 45,849.11 = 13,914.35 : x
  2. Step 2: Convert to fraction form
    30,565.96/45,849.11 = 13,914.35/x
  3. Step 3: Cross multiply
    30,565.96x = 45,849.11 × 13,914.35
  4. Step 4: Simplify right side
    30,565.96x = 637,960,563.73
  5. Step 5: Solve for x
    x = 637,960,563.73/30,565.96
  6. Step 6: Final answer
    x = 20,871.60

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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.