Home / 58,271.89-87,395.18-20,834.55

Finding the Fourth Proportional to 58,271.89, 87,395.18 and 20,834.55

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Solution

The fourth proportional to 58,271.89, 87,395.18 and 20,834.55 is: 31,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,271.89 : 87,395.18 = 20,834.55 : x
  2. Step 2: Convert to fraction form
    58,271.89/87,395.18 = 20,834.55/x
  3. Step 3: Cross multiply
    58,271.89x = 87,395.18 × 20,834.55
  4. Step 4: Simplify right side
    58,271.89x = 1,820,839,247.47
  5. Step 5: Solve for x
    x = 1,820,839,247.47/58,271.89
  6. Step 6: Final answer
    x = 31,247.30

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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.