Home / 36,931.87-50,966.04-21,016.45

Finding the Fourth Proportional to 36,931.87, 50,966.04 and 21,016.45

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Solution

The fourth proportional to 36,931.87, 50,966.04 and 21,016.45 is: 29,002.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,931.87 : 50,966.04 = 21,016.45 : x
  2. Step 2: Convert to fraction form
    36,931.87/50,966.04 = 21,016.45/x
  3. Step 3: Cross multiply
    36,931.87x = 50,966.04 × 21,016.45
  4. Step 4: Simplify right side
    36,931.87x = 1,071,125,231.36
  5. Step 5: Solve for x
    x = 1,071,125,231.36/36,931.87
  6. Step 6: Final answer
    x = 29,002.73

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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.