Home / 30,369.28-41,909.68-16,941.40

Finding the Fourth Proportional to 30,369.28, 41,909.68 and 16,941.40

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Solution

The fourth proportional to 30,369.28, 41,909.68 and 16,941.40 is: 23,379.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369.28 : 41,909.68 = 16,941.40 : x
  2. Step 2: Convert to fraction form
    30,369.28/41,909.68 = 16,941.40/x
  3. Step 3: Cross multiply
    30,369.28x = 41,909.68 × 16,941.40
  4. Step 4: Simplify right side
    30,369.28x = 710,008,652.75
  5. Step 5: Solve for x
    x = 710,008,652.75/30,369.28
  6. Step 6: Final answer
    x = 23,379.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.