Home / 58,282.47-87,439.10-20,846.30

Finding the Fourth Proportional to 58,282.47, 87,439.10 and 20,846.30

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Solution

The fourth proportional to 58,282.47, 87,439.10 and 20,846.30 is: 31,274.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,282.47 : 87,439.10 = 20,846.30 : x
  2. Step 2: Convert to fraction form
    58,282.47/87,439.10 = 20,846.30/x
  3. Step 3: Cross multiply
    58,282.47x = 87,439.10 × 20,846.30
  4. Step 4: Simplify right side
    58,282.47x = 1,822,781,168.90
  5. Step 5: Solve for x
    x = 1,822,781,168.90/58,282.47
  6. Step 6: Final answer
    x = 31,274.95

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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.