Home / 37,112.52-51,215.89-20,117.30

Finding the Fourth Proportional to 37,112.52, 51,215.89 and 20,117.30

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Solution

The fourth proportional to 37,112.52, 51,215.89 and 20,117.30 is: 27,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,112.52 : 51,215.89 = 20,117.30 : x
  2. Step 2: Convert to fraction form
    37,112.52/51,215.89 = 20,117.30/x
  3. Step 3: Cross multiply
    37,112.52x = 51,215.89 × 20,117.30
  4. Step 4: Simplify right side
    37,112.52x = 1,030,325,423.90
  5. Step 5: Solve for x
    x = 1,030,325,423.90/37,112.52
  6. Step 6: Final answer
    x = 27,762.21

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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.