Home / 58,376.71-87,577.37-18,930.75

Finding the Fourth Proportional to 58,376.71, 87,577.37 and 18,930.75

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Solution

The fourth proportional to 58,376.71, 87,577.37 and 18,930.75 is: 28,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,376.71 : 87,577.37 = 18,930.75 : x
  2. Step 2: Convert to fraction form
    58,376.71/87,577.37 = 18,930.75/x
  3. Step 3: Cross multiply
    58,376.71x = 87,577.37 × 18,930.75
  4. Step 4: Simplify right side
    58,376.71x = 1,657,905,202.47
  5. Step 5: Solve for x
    x = 1,657,905,202.47/58,376.71
  6. Step 6: Final answer
    x = 28,400.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.