Home / 58,386.64-87,579.92-18,943.76

Finding the Fourth Proportional to 58,386.64, 87,579.92 and 18,943.76

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Solution

The fourth proportional to 58,386.64, 87,579.92 and 18,943.76 is: 28,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,386.64 : 87,579.92 = 18,943.76 : x
  2. Step 2: Convert to fraction form
    58,386.64/87,579.92 = 18,943.76/x
  3. Step 3: Cross multiply
    58,386.64x = 87,579.92 × 18,943.76
  4. Step 4: Simplify right side
    58,386.64x = 1,659,092,594.76
  5. Step 5: Solve for x
    x = 1,659,092,594.76/58,386.64
  6. Step 6: Final answer
    x = 28,415.62

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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.