Home / 74,365.92-111,532.50-21,779.52

Finding the Fourth Proportional to 74,365.92, 111,532.50 and 21,779.52

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Solution

The fourth proportional to 74,365.92, 111,532.50 and 21,779.52 is: 32,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,365.92 : 111,532.50 = 21,779.52 : x
  2. Step 2: Convert to fraction form
    74,365.92/111,532.50 = 21,779.52/x
  3. Step 3: Cross multiply
    74,365.92x = 111,532.50 × 21,779.52
  4. Step 4: Simplify right side
    74,365.92x = 2,429,124,314.40
  5. Step 5: Solve for x
    x = 2,429,124,314.40/74,365.92
  6. Step 6: Final answer
    x = 32,664.48

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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.