Home / 36,478.24-54,725.82-11,520.76

Finding the Fourth Proportional to 36,478.24, 54,725.82 and 11,520.76

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Solution

The fourth proportional to 36,478.24, 54,725.82 and 11,520.76 is: 17,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,478.24 : 54,725.82 = 11,520.76 : x
  2. Step 2: Convert to fraction form
    36,478.24/54,725.82 = 11,520.76/x
  3. Step 3: Cross multiply
    36,478.24x = 54,725.82 × 11,520.76
  4. Step 4: Simplify right side
    36,478.24x = 630,483,038.02
  5. Step 5: Solve for x
    x = 630,483,038.02/36,478.24
  6. Step 6: Final answer
    x = 17,283.81

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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.