Home / 42,622.19-63,930.96-13,040.03

Finding the Fourth Proportional to 42,622.19, 63,930.96 and 13,040.03

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Solution

The fourth proportional to 42,622.19, 63,930.96 and 13,040.03 is: 19,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,622.19 : 63,930.96 = 13,040.03 : x
  2. Step 2: Convert to fraction form
    42,622.19/63,930.96 = 13,040.03/x
  3. Step 3: Cross multiply
    42,622.19x = 63,930.96 × 13,040.03
  4. Step 4: Simplify right side
    42,622.19x = 833,661,316.67
  5. Step 5: Solve for x
    x = 833,661,316.67/42,622.19
  6. Step 6: Final answer
    x = 19,559.33

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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.