Home / 31,405.02-47,123.01-14,766.54

Finding the Fourth Proportional to 31,405.02, 47,123.01 and 14,766.54

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Solution

The fourth proportional to 31,405.02, 47,123.01 and 14,766.54 is: 22,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,405.02 : 47,123.01 = 14,766.54 : x
  2. Step 2: Convert to fraction form
    31,405.02/47,123.01 = 14,766.54/x
  3. Step 3: Cross multiply
    31,405.02x = 47,123.01 × 14,766.54
  4. Step 4: Simplify right side
    31,405.02x = 695,843,812.09
  5. Step 5: Solve for x
    x = 695,843,812.09/31,405.02
  6. Step 6: Final answer
    x = 22,157.09

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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.