Home / 36,021.86-54,025.51-9,720.46

Finding the Fourth Proportional to 36,021.86, 54,025.51 and 9,720.46

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Solution

The fourth proportional to 36,021.86, 54,025.51 and 9,720.46 is: 14,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,021.86 : 54,025.51 = 9,720.46 : x
  2. Step 2: Convert to fraction form
    36,021.86/54,025.51 = 9,720.46/x
  3. Step 3: Cross multiply
    36,021.86x = 54,025.51 × 9,720.46
  4. Step 4: Simplify right side
    36,021.86x = 525,152,539.16
  5. Step 5: Solve for x
    x = 525,152,539.16/36,021.86
  6. Step 6: Final answer
    x = 14,578.72

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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.