Home / 36,478.62-54,688.77-14,287.86

Finding the Fourth Proportional to 36,478.62, 54,688.77 and 14,287.86

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Solution

The fourth proportional to 36,478.62, 54,688.77 and 14,287.86 is: 21,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,478.62 : 54,688.77 = 14,287.86 : x
  2. Step 2: Convert to fraction form
    36,478.62/54,688.77 = 14,287.86/x
  3. Step 3: Cross multiply
    36,478.62x = 54,688.77 × 14,287.86
  4. Step 4: Simplify right side
    36,478.62x = 781,385,489.33
  5. Step 5: Solve for x
    x = 781,385,489.33/36,478.62
  6. Step 6: Final answer
    x = 21,420.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.