Home / 37,814.52-52,182-20,815.45

Finding the Fourth Proportional to 37,814.52, 52,182 and 20,815.45

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Solution

The fourth proportional to 37,814.52, 52,182 and 20,815.45 is: 28,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,814.52 : 52,182 = 20,815.45 : x
  2. Step 2: Convert to fraction form
    37,814.52/52,182 = 20,815.45/x
  3. Step 3: Cross multiply
    37,814.52x = 52,182 × 20,815.45
  4. Step 4: Simplify right side
    37,814.52x = 1,086,191,811.90
  5. Step 5: Solve for x
    x = 1,086,191,811.90/37,814.52
  6. Step 6: Final answer
    x = 28,724.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.