Home / 37,381.25-51,584.90-20,385.02

Finding the Fourth Proportional to 37,381.25, 51,584.90 and 20,385.02

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Solution

The fourth proportional to 37,381.25, 51,584.90 and 20,385.02 is: 28,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,381.25 : 51,584.90 = 20,385.02 : x
  2. Step 2: Convert to fraction form
    37,381.25/51,584.90 = 20,385.02/x
  3. Step 3: Cross multiply
    37,381.25x = 51,584.90 × 20,385.02
  4. Step 4: Simplify right side
    37,381.25x = 1,051,558,858.35
  5. Step 5: Solve for x
    x = 1,051,558,858.35/37,381.25
  6. Step 6: Final answer
    x = 28,130.65

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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.