Home / 45,386.72-68,083.68-14,221.92

Finding the Fourth Proportional to 45,386.72, 68,083.68 and 14,221.92

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Solution

The fourth proportional to 45,386.72, 68,083.68 and 14,221.92 is: 21,334.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,386.72 : 68,083.68 = 14,221.92 : x
  2. Step 2: Convert to fraction form
    45,386.72/68,083.68 = 14,221.92/x
  3. Step 3: Cross multiply
    45,386.72x = 68,083.68 × 14,221.92
  4. Step 4: Simplify right side
    45,386.72x = 968,280,650.27
  5. Step 5: Solve for x
    x = 968,280,650.27/45,386.72
  6. Step 6: Final answer
    x = 21,334.01

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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.