Home / 68,942.64-95,130.48-38,722.17

Finding the Fourth Proportional to 68,942.64, 95,130.48 and 38,722.17

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Solution

The fourth proportional to 68,942.64, 95,130.48 and 38,722.17 is: 53,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,942.64 : 95,130.48 = 38,722.17 : x
  2. Step 2: Convert to fraction form
    68,942.64/95,130.48 = 38,722.17/x
  3. Step 3: Cross multiply
    68,942.64x = 95,130.48 × 38,722.17
  4. Step 4: Simplify right side
    68,942.64x = 3,683,658,425.13
  5. Step 5: Solve for x
    x = 3,683,658,425.13/68,942.64
  6. Step 6: Final answer
    x = 53,430.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.