Home / 42,409.14-63,631.32-21,337.93

Finding the Fourth Proportional to 42,409.14, 63,631.32 and 21,337.93

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Solution

The fourth proportional to 42,409.14, 63,631.32 and 21,337.93 is: 32,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,409.14 : 63,631.32 = 21,337.93 : x
  2. Step 2: Convert to fraction form
    42,409.14/63,631.32 = 21,337.93/x
  3. Step 3: Cross multiply
    42,409.14x = 63,631.32 × 21,337.93
  4. Step 4: Simplify right side
    42,409.14x = 1,357,760,651.97
  5. Step 5: Solve for x
    x = 1,357,760,651.97/42,409.14
  6. Step 6: Final answer
    x = 32,015.76

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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.