Home / 53,217.92-79,826.08-13,771.84

Finding the Fourth Proportional to 53,217.92, 79,826.08 and 13,771.84

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Solution

The fourth proportional to 53,217.92, 79,826.08 and 13,771.84 is: 20,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217.92 : 79,826.08 = 13,771.84 : x
  2. Step 2: Convert to fraction form
    53,217.92/79,826.08 = 13,771.84/x
  3. Step 3: Cross multiply
    53,217.92x = 79,826.08 × 13,771.84
  4. Step 4: Simplify right side
    53,217.92x = 1,099,352,001.59
  5. Step 5: Solve for x
    x = 1,099,352,001.59/53,217.92
  6. Step 6: Final answer
    x = 20,657.55

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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.