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Finding the Fourth Proportional to 56,458.53, 84,691.04 and 17,011.53

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Solution

The fourth proportional to 56,458.53, 84,691.04 and 17,011.53 is: 25,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,458.53 : 84,691.04 = 17,011.53 : x
  2. Step 2: Convert to fraction form
    56,458.53/84,691.04 = 17,011.53/x
  3. Step 3: Cross multiply
    56,458.53x = 84,691.04 × 17,011.53
  4. Step 4: Simplify right side
    56,458.53x = 1,440,724,082.63
  5. Step 5: Solve for x
    x = 1,440,724,082.63/56,458.53
  6. Step 6: Final answer
    x = 25,518.27

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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.