Home / 53,188.32-79,813.20-21,591.84

Finding the Fourth Proportional to 53,188.32, 79,813.20 and 21,591.84

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Solution

The fourth proportional to 53,188.32, 79,813.20 and 21,591.84 is: 32,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,188.32 : 79,813.20 = 21,591.84 : x
  2. Step 2: Convert to fraction form
    53,188.32/79,813.20 = 21,591.84/x
  3. Step 3: Cross multiply
    53,188.32x = 79,813.20 × 21,591.84
  4. Step 4: Simplify right side
    53,188.32x = 1,723,313,844.29
  5. Step 5: Solve for x
    x = 1,723,313,844.29/53,188.32
  6. Step 6: Final answer
    x = 32,400.23

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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.