Home / 36,931.35-50,964.61-21,015.46

Finding the Fourth Proportional to 36,931.35, 50,964.61 and 21,015.46

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Solution

The fourth proportional to 36,931.35, 50,964.61 and 21,015.46 is: 29,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,931.35 : 50,964.61 = 21,015.46 : x
  2. Step 2: Convert to fraction form
    36,931.35/50,964.61 = 21,015.46/x
  3. Step 3: Cross multiply
    36,931.35x = 50,964.61 × 21,015.46
  4. Step 4: Simplify right side
    36,931.35x = 1,071,044,362.97
  5. Step 5: Solve for x
    x = 1,071,044,362.97/36,931.35
  6. Step 6: Final answer
    x = 29,000.95

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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.