Home / 36,683.79-55,018.39-17,955.78

Finding the Fourth Proportional to 36,683.79, 55,018.39 and 17,955.78

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Solution

The fourth proportional to 36,683.79, 55,018.39 and 17,955.78 is: 26,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,683.79 : 55,018.39 = 17,955.78 : x
  2. Step 2: Convert to fraction form
    36,683.79/55,018.39 = 17,955.78/x
  3. Step 3: Cross multiply
    36,683.79x = 55,018.39 × 17,955.78
  4. Step 4: Simplify right side
    36,683.79x = 987,898,106.79
  5. Step 5: Solve for x
    x = 987,898,106.79/36,683.79
  6. Step 6: Final answer
    x = 26,930.10

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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.