Home / 42,309.95-63,454.49-17,357.09

Finding the Fourth Proportional to 42,309.95, 63,454.49 and 17,357.09

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Solution

The fourth proportional to 42,309.95, 63,454.49 and 17,357.09 is: 26,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,309.95 : 63,454.49 = 17,357.09 : x
  2. Step 2: Convert to fraction form
    42,309.95/63,454.49 = 17,357.09/x
  3. Step 3: Cross multiply
    42,309.95x = 63,454.49 × 17,357.09
  4. Step 4: Simplify right side
    42,309.95x = 1,101,384,954.87
  5. Step 5: Solve for x
    x = 1,101,384,954.87/42,309.95
  6. Step 6: Final answer
    x = 26,031.35

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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.