Home / 36,931.41-50,965.80-21,017.34

Finding the Fourth Proportional to 36,931.41, 50,965.80 and 21,017.34

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Solution

The fourth proportional to 36,931.41, 50,965.80 and 21,017.34 is: 29,004.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,931.41 : 50,965.80 = 21,017.34 : x
  2. Step 2: Convert to fraction form
    36,931.41/50,965.80 = 21,017.34/x
  3. Step 3: Cross multiply
    36,931.41x = 50,965.80 × 21,017.34
  4. Step 4: Simplify right side
    36,931.41x = 1,071,165,546.97
  5. Step 5: Solve for x
    x = 1,071,165,546.97/36,931.41
  6. Step 6: Final answer
    x = 29,004.19

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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.