Home / 42,698.67-64,087.07-21,653.24

Finding the Fourth Proportional to 42,698.67, 64,087.07 and 21,653.24

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Solution

The fourth proportional to 42,698.67, 64,087.07 and 21,653.24 is: 32,499.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,698.67 : 64,087.07 = 21,653.24 : x
  2. Step 2: Convert to fraction form
    42,698.67/64,087.07 = 21,653.24/x
  3. Step 3: Cross multiply
    42,698.67x = 64,087.07 × 21,653.24
  4. Step 4: Simplify right side
    42,698.67x = 1,387,692,441.30
  5. Step 5: Solve for x
    x = 1,387,692,441.30/42,698.67
  6. Step 6: Final answer
    x = 32,499.66

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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.