Home / 45,229.92-67,779.04-21,828.96

Finding the Fourth Proportional to 45,229.92, 67,779.04 and 21,828.96

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Solution

The fourth proportional to 45,229.92, 67,779.04 and 21,828.96 is: 32,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,229.92 : 67,779.04 = 21,828.96 : x
  2. Step 2: Convert to fraction form
    45,229.92/67,779.04 = 21,828.96/x
  3. Step 3: Cross multiply
    45,229.92x = 67,779.04 × 21,828.96
  4. Step 4: Simplify right side
    45,229.92x = 1,479,545,953.00
  5. Step 5: Solve for x
    x = 1,479,545,953.00/45,229.92
  6. Step 6: Final answer
    x = 32,711.66

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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.