Home / 42,625.22-63,939.03-13,042.40

Finding the Fourth Proportional to 42,625.22, 63,939.03 and 13,042.40

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Solution

The fourth proportional to 42,625.22, 63,939.03 and 13,042.40 is: 19,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,625.22 : 63,939.03 = 13,042.40 : x
  2. Step 2: Convert to fraction form
    42,625.22/63,939.03 = 13,042.40/x
  3. Step 3: Cross multiply
    42,625.22x = 63,939.03 × 13,042.40
  4. Step 4: Simplify right side
    42,625.22x = 833,918,085.18
  5. Step 5: Solve for x
    x = 833,918,085.18/42,625.22
  6. Step 6: Final answer
    x = 19,563.96

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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.