Home / 37,719.22-52,050-20,720.14

Finding the Fourth Proportional to 37,719.22, 52,050 and 20,720.14

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Solution

The fourth proportional to 37,719.22, 52,050 and 20,720.14 is: 28,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,719.22 : 52,050 = 20,720.14 : x
  2. Step 2: Convert to fraction form
    37,719.22/52,050 = 20,720.14/x
  3. Step 3: Cross multiply
    37,719.22x = 52,050 × 20,720.14
  4. Step 4: Simplify right side
    37,719.22x = 1,078,483,287
  5. Step 5: Solve for x
    x = 1,078,483,287/37,719.22
  6. Step 6: Final answer
    x = 28,592.41

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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.