Home / 40,750.81-61,139.52-19,693.27

Finding the Fourth Proportional to 40,750.81, 61,139.52 and 19,693.27

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Solution

The fourth proportional to 40,750.81, 61,139.52 and 19,693.27 is: 29,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,750.81 : 61,139.52 = 19,693.27 : x
  2. Step 2: Convert to fraction form
    40,750.81/61,139.52 = 19,693.27/x
  3. Step 3: Cross multiply
    40,750.81x = 61,139.52 × 19,693.27
  4. Step 4: Simplify right side
    40,750.81x = 1,204,037,075.03
  5. Step 5: Solve for x
    x = 1,204,037,075.03/40,750.81
  6. Step 6: Final answer
    x = 29,546.33

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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.