Home / 37,900.64-52,301.68-20,905.63

Finding the Fourth Proportional to 37,900.64, 52,301.68 and 20,905.63

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Solution

The fourth proportional to 37,900.64, 52,301.68 and 20,905.63 is: 28,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,900.64 : 52,301.68 = 20,905.63 : x
  2. Step 2: Convert to fraction form
    37,900.64/52,301.68 = 20,905.63/x
  3. Step 3: Cross multiply
    37,900.64x = 52,301.68 × 20,905.63
  4. Step 4: Simplify right side
    37,900.64x = 1,093,399,387.44
  5. Step 5: Solve for x
    x = 1,093,399,387.44/37,900.64
  6. Step 6: Final answer
    x = 28,849.10

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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.