Home / 55,689.64-76,855.35-30,539.14

Finding the Fourth Proportional to 55,689.64, 76,855.35 and 30,539.14

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Solution

The fourth proportional to 55,689.64, 76,855.35 and 30,539.14 is: 42,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,689.64 : 76,855.35 = 30,539.14 : x
  2. Step 2: Convert to fraction form
    55,689.64/76,855.35 = 30,539.14/x
  3. Step 3: Cross multiply
    55,689.64x = 76,855.35 × 30,539.14
  4. Step 4: Simplify right side
    55,689.64x = 2,347,096,293.40
  5. Step 5: Solve for x
    x = 2,347,096,293.40/55,689.64
  6. Step 6: Final answer
    x = 42,146.01

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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.