Home / 56,069.57-84,087.86-21,001.03

Finding the Fourth Proportional to 56,069.57, 84,087.86 and 21,001.03

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Solution

The fourth proportional to 56,069.57, 84,087.86 and 21,001.03 is: 31,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,069.57 : 84,087.86 = 21,001.03 : x
  2. Step 2: Convert to fraction form
    56,069.57/84,087.86 = 21,001.03/x
  3. Step 3: Cross multiply
    56,069.57x = 84,087.86 × 21,001.03
  4. Step 4: Simplify right side
    56,069.57x = 1,765,931,355.27
  5. Step 5: Solve for x
    x = 1,765,931,355.27/56,069.57
  6. Step 6: Final answer
    x = 31,495.36

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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.