Home / 55,563.12-76,675.68-30,411

Finding the Fourth Proportional to 55,563.12, 76,675.68 and 30,411

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Solution

The fourth proportional to 55,563.12, 76,675.68 and 30,411 is: 41,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,563.12 : 76,675.68 = 30,411 : x
  2. Step 2: Convert to fraction form
    55,563.12/76,675.68 = 30,411/x
  3. Step 3: Cross multiply
    55,563.12x = 76,675.68 × 30,411
  4. Step 4: Simplify right side
    55,563.12x = 2,331,784,104.48
  5. Step 5: Solve for x
    x = 2,331,784,104.48/55,563.12
  6. Step 6: Final answer
    x = 41,966.40

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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.