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Finding the Fourth Proportional to 34,388.48, 51,630.24 and 17,762.24

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Solution

The fourth proportional to 34,388.48, 51,630.24 and 17,762.24 is: 26,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,388.48 : 51,630.24 = 17,762.24 : x
  2. Step 2: Convert to fraction form
    34,388.48/51,630.24 = 17,762.24/x
  3. Step 3: Cross multiply
    34,388.48x = 51,630.24 × 17,762.24
  4. Step 4: Simplify right side
    34,388.48x = 917,068,714.14
  5. Step 5: Solve for x
    x = 917,068,714.14/34,388.48
  6. Step 6: Final answer
    x = 26,667.90

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1.5x scale

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.