Home / 42,625.40-63,935.78-13,043.22

Finding the Fourth Proportional to 42,625.40, 63,935.78 and 13,043.22

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Solution

The fourth proportional to 42,625.40, 63,935.78 and 13,043.22 is: 19,564.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,625.40 : 63,935.78 = 13,043.22 : x
  2. Step 2: Convert to fraction form
    42,625.40/63,935.78 = 13,043.22/x
  3. Step 3: Cross multiply
    42,625.40x = 63,935.78 × 13,043.22
  4. Step 4: Simplify right side
    42,625.40x = 833,928,379.20
  5. Step 5: Solve for x
    x = 833,928,379.20/42,625.40
  6. Step 6: Final answer
    x = 19,564.12

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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.