Home / 45,402.90-68,115.24-14,238.14

Finding the Fourth Proportional to 45,402.90, 68,115.24 and 14,238.14

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Solution

The fourth proportional to 45,402.90, 68,115.24 and 14,238.14 is: 21,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,402.90 : 68,115.24 = 14,238.14 : x
  2. Step 2: Convert to fraction form
    45,402.90/68,115.24 = 14,238.14/x
  3. Step 3: Cross multiply
    45,402.90x = 68,115.24 × 14,238.14
  4. Step 4: Simplify right side
    45,402.90x = 969,834,323.25
  5. Step 5: Solve for x
    x = 969,834,323.25/45,402.90
  6. Step 6: Final answer
    x = 21,360.63

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1.5x scale

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.