Home / 36,572.45-54,858.57-13,780.53

Finding the Fourth Proportional to 36,572.45, 54,858.57 and 13,780.53

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Solution

The fourth proportional to 36,572.45, 54,858.57 and 13,780.53 is: 20,670.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,572.45 : 54,858.57 = 13,780.53 : x
  2. Step 2: Convert to fraction form
    36,572.45/54,858.57 = 13,780.53/x
  3. Step 3: Cross multiply
    36,572.45x = 54,858.57 × 13,780.53
  4. Step 4: Simplify right side
    36,572.45x = 755,980,117.97
  5. Step 5: Solve for x
    x = 755,980,117.97/36,572.45
  6. Step 6: Final answer
    x = 20,670.76

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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.