Home / 32,825.07-45,271.85-20,867.85

Finding the Fourth Proportional to 32,825.07, 45,271.85 and 20,867.85

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Solution

The fourth proportional to 32,825.07, 45,271.85 and 20,867.85 is: 28,780.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,825.07 : 45,271.85 = 20,867.85 : x
  2. Step 2: Convert to fraction form
    32,825.07/45,271.85 = 20,867.85/x
  3. Step 3: Cross multiply
    32,825.07x = 45,271.85 × 20,867.85
  4. Step 4: Simplify right side
    32,825.07x = 944,726,070.68
  5. Step 5: Solve for x
    x = 944,726,070.68/32,825.07
  6. Step 6: Final answer
    x = 28,780.63

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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.