Home / 36,898.23-50,920.13-20,983.15

Finding the Fourth Proportional to 36,898.23, 50,920.13 and 20,983.15

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Solution

The fourth proportional to 36,898.23, 50,920.13 and 20,983.15 is: 28,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,898.23 : 50,920.13 = 20,983.15 : x
  2. Step 2: Convert to fraction form
    36,898.23/50,920.13 = 20,983.15/x
  3. Step 3: Cross multiply
    36,898.23x = 50,920.13 × 20,983.15
  4. Step 4: Simplify right side
    36,898.23x = 1,068,464,366.29
  5. Step 5: Solve for x
    x = 1,068,464,366.29/36,898.23
  6. Step 6: Final answer
    x = 28,957.06

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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.