Home / 37,612.14-51,905.40-20,615.30

Finding the Fourth Proportional to 37,612.14, 51,905.40 and 20,615.30

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Solution

The fourth proportional to 37,612.14, 51,905.40 and 20,615.30 is: 28,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,612.14 : 51,905.40 = 20,615.30 : x
  2. Step 2: Convert to fraction form
    37,612.14/51,905.40 = 20,615.30/x
  3. Step 3: Cross multiply
    37,612.14x = 51,905.40 × 20,615.30
  4. Step 4: Simplify right side
    37,612.14x = 1,070,045,542.14
  5. Step 5: Solve for x
    x = 1,070,045,542.14/37,612.14
  6. Step 6: Final answer
    x = 28,449.47

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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.