Home / 42,631.96-63,953.78-14,544.48

Finding the Fourth Proportional to 42,631.96, 63,953.78 and 14,544.48

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Solution

The fourth proportional to 42,631.96, 63,953.78 and 14,544.48 is: 21,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,631.96 : 63,953.78 = 14,544.48 : x
  2. Step 2: Convert to fraction form
    42,631.96/63,953.78 = 14,544.48/x
  3. Step 3: Cross multiply
    42,631.96x = 63,953.78 × 14,544.48
  4. Step 4: Simplify right side
    42,631.96x = 930,174,474.13
  5. Step 5: Solve for x
    x = 930,174,474.13/42,631.96
  6. Step 6: Final answer
    x = 21,818.71

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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.