Home / 40,711.92-61,075.92-19,666.60

Finding the Fourth Proportional to 40,711.92, 61,075.92 and 19,666.60

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Solution

The fourth proportional to 40,711.92, 61,075.92 and 19,666.60 is: 29,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,711.92 : 61,075.92 = 19,666.60 : x
  2. Step 2: Convert to fraction form
    40,711.92/61,075.92 = 19,666.60/x
  3. Step 3: Cross multiply
    40,711.92x = 61,075.92 × 19,666.60
  4. Step 4: Simplify right side
    40,711.92x = 1,201,155,609.33
  5. Step 5: Solve for x
    x = 1,201,155,609.33/40,711.92
  6. Step 6: Final answer
    x = 29,503.78

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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.