Home / 42,387.58-63,603.24-17,446.06

Finding the Fourth Proportional to 42,387.58, 63,603.24 and 17,446.06

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Solution

The fourth proportional to 42,387.58, 63,603.24 and 17,446.06 is: 26,178.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,387.58 : 63,603.24 = 17,446.06 : x
  2. Step 2: Convert to fraction form
    42,387.58/63,603.24 = 17,446.06/x
  3. Step 3: Cross multiply
    42,387.58x = 63,603.24 × 17,446.06
  4. Step 4: Simplify right side
    42,387.58x = 1,109,625,941.23
  5. Step 5: Solve for x
    x = 1,109,625,941.23/42,387.58
  6. Step 6: Final answer
    x = 26,178.09

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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.