Home / 32,988.87-49,475.72-19,665.63

Finding the Fourth Proportional to 32,988.87, 49,475.72 and 19,665.63

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Solution

The fourth proportional to 32,988.87, 49,475.72 and 19,665.63 is: 29,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,988.87 : 49,475.72 = 19,665.63 : x
  2. Step 2: Convert to fraction form
    32,988.87/49,475.72 = 19,665.63/x
  3. Step 3: Cross multiply
    32,988.87x = 49,475.72 × 19,665.63
  4. Step 4: Simplify right side
    32,988.87x = 972,971,183.31
  5. Step 5: Solve for x
    x = 972,971,183.31/32,988.87
  6. Step 6: Final answer
    x = 29,493.92

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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.