Home / 36,377.91-50,202.05-21,281.40

Finding the Fourth Proportional to 36,377.91, 50,202.05 and 21,281.40

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Solution

The fourth proportional to 36,377.91, 50,202.05 and 21,281.40 is: 29,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,377.91 : 50,202.05 = 21,281.40 : x
  2. Step 2: Convert to fraction form
    36,377.91/50,202.05 = 21,281.40/x
  3. Step 3: Cross multiply
    36,377.91x = 50,202.05 × 21,281.40
  4. Step 4: Simplify right side
    36,377.91x = 1,068,369,800.46
  5. Step 5: Solve for x
    x = 1,068,369,800.46/36,377.91
  6. Step 6: Final answer
    x = 29,368.64

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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.