Home / 38,422.86-57,408.75-37,720.28

Finding the Fourth Proportional to 38,422.86, 57,408.75 and 37,720.28

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Solution

The fourth proportional to 38,422.86, 57,408.75 and 37,720.28 is: 56,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,422.86 : 57,408.75 = 37,720.28 : x
  2. Step 2: Convert to fraction form
    38,422.86/57,408.75 = 37,720.28/x
  3. Step 3: Cross multiply
    38,422.86x = 57,408.75 × 37,720.28
  4. Step 4: Simplify right side
    38,422.86x = 2,165,474,267.97
  5. Step 5: Solve for x
    x = 2,165,474,267.97/38,422.86
  6. Step 6: Final answer
    x = 56,359.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.