Home / 42,458.87-63,688.31-19,057.97

Finding the Fourth Proportional to 42,458.87, 63,688.31 and 19,057.97

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Solution

The fourth proportional to 42,458.87, 63,688.31 and 19,057.97 is: 28,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,458.87 : 63,688.31 = 19,057.97 : x
  2. Step 2: Convert to fraction form
    42,458.87/63,688.31 = 19,057.97/x
  3. Step 3: Cross multiply
    42,458.87x = 63,688.31 × 19,057.97
  4. Step 4: Simplify right side
    42,458.87x = 1,213,770,012.91
  5. Step 5: Solve for x
    x = 1,213,770,012.91/42,458.87
  6. Step 6: Final answer
    x = 28,586.96

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1.5x scale

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.