Home / 56,134.35-77,465.36-30,983.79

Finding the Fourth Proportional to 56,134.35, 77,465.36 and 30,983.79

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Solution

The fourth proportional to 56,134.35, 77,465.36 and 30,983.79 is: 42,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,134.35 : 77,465.36 = 30,983.79 : x
  2. Step 2: Convert to fraction form
    56,134.35/77,465.36 = 30,983.79/x
  3. Step 3: Cross multiply
    56,134.35x = 77,465.36 × 30,983.79
  4. Step 4: Simplify right side
    56,134.35x = 2,400,170,291.60
  5. Step 5: Solve for x
    x = 2,400,170,291.60/56,134.35
  6. Step 6: Final answer
    x = 42,757.60

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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.