Home / 37,110.90-51,212.07-20,114.40

Finding the Fourth Proportional to 37,110.90, 51,212.07 and 20,114.40

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Solution

The fourth proportional to 37,110.90, 51,212.07 and 20,114.40 is: 27,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,110.90 : 51,212.07 = 20,114.40 : x
  2. Step 2: Convert to fraction form
    37,110.90/51,212.07 = 20,114.40/x
  3. Step 3: Cross multiply
    37,110.90x = 51,212.07 × 20,114.40
  4. Step 4: Simplify right side
    37,110.90x = 1,030,100,060.81
  5. Step 5: Solve for x
    x = 1,030,100,060.81/37,110.90
  6. Step 6: Final answer
    x = 27,757.35

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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.