Home / 42,410.14-63,632.82-21,338.93

Finding the Fourth Proportional to 42,410.14, 63,632.82 and 21,338.93

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Solution

The fourth proportional to 42,410.14, 63,632.82 and 21,338.93 is: 32,017.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,410.14 : 63,632.82 = 21,338.93 : x
  2. Step 2: Convert to fraction form
    42,410.14/63,632.82 = 21,338.93/x
  3. Step 3: Cross multiply
    42,410.14x = 63,632.82 × 21,338.93
  4. Step 4: Simplify right side
    42,410.14x = 1,357,856,291.68
  5. Step 5: Solve for x
    x = 1,357,856,291.68/42,410.14
  6. Step 6: Final answer
    x = 32,017.26

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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.