Home / 58,487.47-87,711.56-19,035.30

Finding the Fourth Proportional to 58,487.47, 87,711.56 and 19,035.30

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Solution

The fourth proportional to 58,487.47, 87,711.56 and 19,035.30 is: 28,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,487.47 : 87,711.56 = 19,035.30 : x
  2. Step 2: Convert to fraction form
    58,487.47/87,711.56 = 19,035.30/x
  3. Step 3: Cross multiply
    58,487.47x = 87,711.56 × 19,035.30
  4. Step 4: Simplify right side
    58,487.47x = 1,669,616,163.19
  5. Step 5: Solve for x
    x = 1,669,616,163.19/58,487.47
  6. Step 6: Final answer
    x = 28,546.56

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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.