Home / 37,765.50-52,116.39-20,998.14

Finding the Fourth Proportional to 37,765.50, 52,116.39 and 20,998.14

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Solution

The fourth proportional to 37,765.50, 52,116.39 and 20,998.14 is: 28,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,765.50 : 52,116.39 = 20,998.14 : x
  2. Step 2: Convert to fraction form
    37,765.50/52,116.39 = 20,998.14/x
  3. Step 3: Cross multiply
    37,765.50x = 52,116.39 × 20,998.14
  4. Step 4: Simplify right side
    37,765.50x = 1,094,347,253.51
  5. Step 5: Solve for x
    x = 1,094,347,253.51/37,765.50
  6. Step 6: Final answer
    x = 28,977.43

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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.