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Finding the Fourth Proportional to 54,851.63, 82,289.77 and 17,412.92

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Solution

The fourth proportional to 54,851.63, 82,289.77 and 17,412.92 is: 26,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,851.63 : 82,289.77 = 17,412.92 : x
  2. Step 2: Convert to fraction form
    54,851.63/82,289.77 = 17,412.92/x
  3. Step 3: Cross multiply
    54,851.63x = 82,289.77 × 17,412.92
  4. Step 4: Simplify right side
    54,851.63x = 1,432,905,596.26
  5. Step 5: Solve for x
    x = 1,432,905,596.26/54,851.63
  6. Step 6: Final answer
    x = 26,123.30

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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.