Home / 57,090.57-85,629.71-14,974.88

Finding the Fourth Proportional to 57,090.57, 85,629.71 and 14,974.88

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Solution

The fourth proportional to 57,090.57, 85,629.71 and 14,974.88 is: 22,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,090.57 : 85,629.71 = 14,974.88 : x
  2. Step 2: Convert to fraction form
    57,090.57/85,629.71 = 14,974.88/x
  3. Step 3: Cross multiply
    57,090.57x = 85,629.71 × 14,974.88
  4. Step 4: Simplify right side
    57,090.57x = 1,282,294,156.74
  5. Step 5: Solve for x
    x = 1,282,294,156.74/57,090.57
  6. Step 6: Final answer
    x = 22,460.70

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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.