Home / 36,478.50-50,339.32-20,346.29

Finding the Fourth Proportional to 36,478.50, 50,339.32 and 20,346.29

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Solution

The fourth proportional to 36,478.50, 50,339.32 and 20,346.29 is: 28,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,478.50 : 50,339.32 = 20,346.29 : x
  2. Step 2: Convert to fraction form
    36,478.50/50,339.32 = 20,346.29/x
  3. Step 3: Cross multiply
    36,478.50x = 50,339.32 × 20,346.29
  4. Step 4: Simplify right side
    36,478.50x = 1,024,218,403.78
  5. Step 5: Solve for x
    x = 1,024,218,403.78/36,478.50
  6. Step 6: Final answer
    x = 28,077.32

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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.