Home / 38,980.16-58,403.52-32,780.24

Finding the Fourth Proportional to 38,980.16, 58,403.52 and 32,780.24

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Solution

The fourth proportional to 38,980.16, 58,403.52 and 32,780.24 is: 49,114.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,980.16 : 58,403.52 = 32,780.24 : x
  2. Step 2: Convert to fraction form
    38,980.16/58,403.52 = 32,780.24/x
  3. Step 3: Cross multiply
    38,980.16x = 58,403.52 × 32,780.24
  4. Step 4: Simplify right side
    38,980.16x = 1,914,481,402.44
  5. Step 5: Solve for x
    x = 1,914,481,402.44/38,980.16
  6. Step 6: Final answer
    x = 49,114.25

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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.