Home / 42,458.63-63,687.93-19,057.73

Finding the Fourth Proportional to 42,458.63, 63,687.93 and 19,057.73

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Solution

The fourth proportional to 42,458.63, 63,687.93 and 19,057.73 is: 28,586.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,458.63 : 63,687.93 = 19,057.73 : x
  2. Step 2: Convert to fraction form
    42,458.63/63,687.93 = 19,057.73/x
  3. Step 3: Cross multiply
    42,458.63x = 63,687.93 × 19,057.73
  4. Step 4: Simplify right side
    42,458.63x = 1,213,747,055.76
  5. Step 5: Solve for x
    x = 1,213,747,055.76/42,458.63
  6. Step 6: Final answer
    x = 28,586.58

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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.