Home / 55,814.62-77,023.86-30,320.76

Finding the Fourth Proportional to 55,814.62, 77,023.86 and 30,320.76

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Solution

The fourth proportional to 55,814.62, 77,023.86 and 30,320.76 is: 41,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,814.62 : 77,023.86 = 30,320.76 : x
  2. Step 2: Convert to fraction form
    55,814.62/77,023.86 = 30,320.76/x
  3. Step 3: Cross multiply
    55,814.62x = 77,023.86 × 30,320.76
  4. Step 4: Simplify right side
    55,814.62x = 2,335,422,319.02
  5. Step 5: Solve for x
    x = 2,335,422,319.02/55,814.62
  6. Step 6: Final answer
    x = 41,842.48

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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.