Home / 36,402.40-50,234.34-20,490.22

Finding the Fourth Proportional to 36,402.40, 50,234.34 and 20,490.22

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Solution

The fourth proportional to 36,402.40, 50,234.34 and 20,490.22 is: 28,275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,402.40 : 50,234.34 = 20,490.22 : x
  2. Step 2: Convert to fraction form
    36,402.40/50,234.34 = 20,490.22/x
  3. Step 3: Cross multiply
    36,402.40x = 50,234.34 × 20,490.22
  4. Step 4: Simplify right side
    36,402.40x = 1,029,312,678.15
  5. Step 5: Solve for x
    x = 1,029,312,678.15/36,402.40
  6. Step 6: Final answer
    x = 28,275.96

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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.