Home / 53,423.94-80,135.58-21,827.28

Finding the Fourth Proportional to 53,423.94, 80,135.58 and 21,827.28

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Solution

The fourth proportional to 53,423.94, 80,135.58 and 21,827.28 is: 32,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,423.94 : 80,135.58 = 21,827.28 : x
  2. Step 2: Convert to fraction form
    53,423.94/80,135.58 = 21,827.28/x
  3. Step 3: Cross multiply
    53,423.94x = 80,135.58 × 21,827.28
  4. Step 4: Simplify right side
    53,423.94x = 1,749,141,742.62
  5. Step 5: Solve for x
    x = 1,749,141,742.62/53,423.94
  6. Step 6: Final answer
    x = 32,740.79

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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.