Home / 38,720.46-53,450.51-32,782.89

Finding the Fourth Proportional to 38,720.46, 53,450.51 and 32,782.89

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Solution

The fourth proportional to 38,720.46, 53,450.51 and 32,782.89 is: 45,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720.46 : 53,450.51 = 32,782.89 : x
  2. Step 2: Convert to fraction form
    38,720.46/53,450.51 = 32,782.89/x
  3. Step 3: Cross multiply
    38,720.46x = 53,450.51 × 32,782.89
  4. Step 4: Simplify right side
    38,720.46x = 1,752,262,025.86
  5. Step 5: Solve for x
    x = 1,752,262,025.86/38,720.46
  6. Step 6: Final answer
    x = 45,254.16

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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.