Home / 69,041.18-103,562.01-21,010.25

Finding the Fourth Proportional to 69,041.18, 103,562.01 and 21,010.25

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Solution

The fourth proportional to 69,041.18, 103,562.01 and 21,010.25 is: 31,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,041.18 : 103,562.01 = 21,010.25 : x
  2. Step 2: Convert to fraction form
    69,041.18/103,562.01 = 21,010.25/x
  3. Step 3: Cross multiply
    69,041.18x = 103,562.01 × 21,010.25
  4. Step 4: Simplify right side
    69,041.18x = 2,175,863,720.60
  5. Step 5: Solve for x
    x = 2,175,863,720.60/69,041.18
  6. Step 6: Final answer
    x = 31,515.45

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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.