Home / 30,347.29-45,520.94-19,956.61

Finding the Fourth Proportional to 30,347.29, 45,520.94 and 19,956.61

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Solution

The fourth proportional to 30,347.29, 45,520.94 and 19,956.61 is: 29,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347.29 : 45,520.94 = 19,956.61 : x
  2. Step 2: Convert to fraction form
    30,347.29/45,520.94 = 19,956.61/x
  3. Step 3: Cross multiply
    30,347.29x = 45,520.94 × 19,956.61
  4. Step 4: Simplify right side
    30,347.29x = 908,443,646.41
  5. Step 5: Solve for x
    x = 908,443,646.41/30,347.29
  6. Step 6: Final answer
    x = 29,934.92

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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.