Home / 30,381.28-45,569.52-9,604.96

Finding the Fourth Proportional to 30,381.28, 45,569.52 and 9,604.96

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Solution

The fourth proportional to 30,381.28, 45,569.52 and 9,604.96 is: 14,406.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,381.28 : 45,569.52 = 9,604.96 : x
  2. Step 2: Convert to fraction form
    30,381.28/45,569.52 = 9,604.96/x
  3. Step 3: Cross multiply
    30,381.28x = 45,569.52 × 9,604.96
  4. Step 4: Simplify right side
    30,381.28x = 437,693,416.82
  5. Step 5: Solve for x
    x = 437,693,416.82/30,381.28
  6. Step 6: Final answer
    x = 14,406.68

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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.