Home / 32,925.92-45,444.84-20,986.52

Finding the Fourth Proportional to 32,925.92, 45,444.84 and 20,986.52

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Solution

The fourth proportional to 32,925.92, 45,444.84 and 20,986.52 is: 28,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,925.92 : 45,444.84 = 20,986.52 : x
  2. Step 2: Convert to fraction form
    32,925.92/45,444.84 = 20,986.52/x
  3. Step 3: Cross multiply
    32,925.92x = 45,444.84 × 20,986.52
  4. Step 4: Simplify right side
    32,925.92x = 953,729,043.56
  5. Step 5: Solve for x
    x = 953,729,043.56/32,925.92
  6. Step 6: Final answer
    x = 28,965.90

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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.