Home / 57,562.02-86,343.30-20,121.93

Finding the Fourth Proportional to 57,562.02, 86,343.30 and 20,121.93

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Solution

The fourth proportional to 57,562.02, 86,343.30 and 20,121.93 is: 30,182.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,562.02 : 86,343.30 = 20,121.93 : x
  2. Step 2: Convert to fraction form
    57,562.02/86,343.30 = 20,121.93/x
  3. Step 3: Cross multiply
    57,562.02x = 86,343.30 × 20,121.93
  4. Step 4: Simplify right side
    57,562.02x = 1,737,393,838.57
  5. Step 5: Solve for x
    x = 1,737,393,838.57/57,562.02
  6. Step 6: Final answer
    x = 30,182.99

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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.