Home / 42,567.62-63,863.79-17,603.06

Finding the Fourth Proportional to 42,567.62, 63,863.79 and 17,603.06

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Solution

The fourth proportional to 42,567.62, 63,863.79 and 17,603.06 is: 26,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,567.62 : 63,863.79 = 17,603.06 : x
  2. Step 2: Convert to fraction form
    42,567.62/63,863.79 = 17,603.06/x
  3. Step 3: Cross multiply
    42,567.62x = 63,863.79 × 17,603.06
  4. Step 4: Simplify right side
    42,567.62x = 1,124,198,127.20
  5. Step 5: Solve for x
    x = 1,124,198,127.20/42,567.62
  6. Step 6: Final answer
    x = 26,409.70

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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.