Home / 37,445.20-51,673.89-20,451.01

Finding the Fourth Proportional to 37,445.20, 51,673.89 and 20,451.01

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Solution

The fourth proportional to 37,445.20, 51,673.89 and 20,451.01 is: 28,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,445.20 : 51,673.89 = 20,451.01 : x
  2. Step 2: Convert to fraction form
    37,445.20/51,673.89 = 20,451.01/x
  3. Step 3: Cross multiply
    37,445.20x = 51,673.89 × 20,451.01
  4. Step 4: Simplify right side
    37,445.20x = 1,056,783,241.13
  5. Step 5: Solve for x
    x = 1,056,783,241.13/37,445.20
  6. Step 6: Final answer
    x = 28,222.13

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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.