Home / 45,746.79-68,593.07-14,147.49

Finding the Fourth Proportional to 45,746.79, 68,593.07 and 14,147.49

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Solution

The fourth proportional to 45,746.79, 68,593.07 and 14,147.49 is: 21,212.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,746.79 : 68,593.07 = 14,147.49 : x
  2. Step 2: Convert to fraction form
    45,746.79/68,593.07 = 14,147.49/x
  3. Step 3: Cross multiply
    45,746.79x = 68,593.07 × 14,147.49
  4. Step 4: Simplify right side
    45,746.79x = 970,420,064.49
  5. Step 5: Solve for x
    x = 970,420,064.49/45,746.79
  6. Step 6: Final answer
    x = 21,212.86

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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.