Home / 46,419.59-69,652.40-18,359.78

Finding the Fourth Proportional to 46,419.59, 69,652.40 and 18,359.78

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Solution

The fourth proportional to 46,419.59, 69,652.40 and 18,359.78 is: 27,548.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,419.59 : 69,652.40 = 18,359.78 : x
  2. Step 2: Convert to fraction form
    46,419.59/69,652.40 = 18,359.78/x
  3. Step 3: Cross multiply
    46,419.59x = 69,652.40 × 18,359.78
  4. Step 4: Simplify right side
    46,419.59x = 1,278,802,300.41
  5. Step 5: Solve for x
    x = 1,278,802,300.41/46,419.59
  6. Step 6: Final answer
    x = 27,548.76

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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.