Home / 36,385.68-50,204.70-21,275.40

Finding the Fourth Proportional to 36,385.68, 50,204.70 and 21,275.40

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Solution

The fourth proportional to 36,385.68, 50,204.70 and 21,275.40 is: 29,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385.68 : 50,204.70 = 21,275.40 : x
  2. Step 2: Convert to fraction form
    36,385.68/50,204.70 = 21,275.40/x
  3. Step 3: Cross multiply
    36,385.68x = 50,204.70 × 21,275.40
  4. Step 4: Simplify right side
    36,385.68x = 1,068,125,074.38
  5. Step 5: Solve for x
    x = 1,068,125,074.38/36,385.68
  6. Step 6: Final answer
    x = 29,355.64

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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.