Home / 45,349.83-68,024.90-13,760.16

Finding the Fourth Proportional to 45,349.83, 68,024.90 and 13,760.16

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Solution

The fourth proportional to 45,349.83, 68,024.90 and 13,760.16 is: 20,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,349.83 : 68,024.90 = 13,760.16 : x
  2. Step 2: Convert to fraction form
    45,349.83/68,024.90 = 13,760.16/x
  3. Step 3: Cross multiply
    45,349.83x = 68,024.90 × 13,760.16
  4. Step 4: Simplify right side
    45,349.83x = 936,033,507.98
  5. Step 5: Solve for x
    x = 936,033,507.98/45,349.83
  6. Step 6: Final answer
    x = 20,640.29

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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.