Home / 55,803.12-77,008.87-30,309.73

Finding the Fourth Proportional to 55,803.12, 77,008.87 and 30,309.73

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Solution

The fourth proportional to 55,803.12, 77,008.87 and 30,309.73 is: 41,827.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,803.12 : 77,008.87 = 30,309.73 : x
  2. Step 2: Convert to fraction form
    55,803.12/77,008.87 = 30,309.73/x
  3. Step 3: Cross multiply
    55,803.12x = 77,008.87 × 30,309.73
  4. Step 4: Simplify right side
    55,803.12x = 2,334,118,325.60
  5. Step 5: Solve for x
    x = 2,334,118,325.60/55,803.12
  6. Step 6: Final answer
    x = 41,827.74

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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.