Home / 42,577.20-58,757.40-24,678

Finding the Fourth Proportional to 42,577.20, 58,757.40 and 24,678

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Solution

The fourth proportional to 42,577.20, 58,757.40 and 24,678 is: 34,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,577.20 : 58,757.40 = 24,678 : x
  2. Step 2: Convert to fraction form
    42,577.20/58,757.40 = 24,678/x
  3. Step 3: Cross multiply
    42,577.20x = 58,757.40 × 24,678
  4. Step 4: Simplify right side
    42,577.20x = 1,450,015,117.20
  5. Step 5: Solve for x
    x = 1,450,015,117.20/42,577.20
  6. Step 6: Final answer
    x = 34,056.14

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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.