Home / 32,779.69-49,178.17-11,721.81

Finding the Fourth Proportional to 32,779.69, 49,178.17 and 11,721.81

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Solution

The fourth proportional to 32,779.69, 49,178.17 and 11,721.81 is: 17,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,779.69 : 49,178.17 = 11,721.81 : x
  2. Step 2: Convert to fraction form
    32,779.69/49,178.17 = 11,721.81/x
  3. Step 3: Cross multiply
    32,779.69x = 49,178.17 × 11,721.81
  4. Step 4: Simplify right side
    32,779.69x = 576,457,363.96
  5. Step 5: Solve for x
    x = 576,457,363.96/32,779.69
  6. Step 6: Final answer
    x = 17,585.81

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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.