Home / 52,197.31-78,257.63-16,638.16

Finding the Fourth Proportional to 52,197.31, 78,257.63 and 16,638.16

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Solution

The fourth proportional to 52,197.31, 78,257.63 and 16,638.16 is: 24,945.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,197.31 : 78,257.63 = 16,638.16 : x
  2. Step 2: Convert to fraction form
    52,197.31/78,257.63 = 16,638.16/x
  3. Step 3: Cross multiply
    52,197.31x = 78,257.63 × 16,638.16
  4. Step 4: Simplify right side
    52,197.31x = 1,302,062,969.16
  5. Step 5: Solve for x
    x = 1,302,062,969.16/52,197.31
  6. Step 6: Final answer
    x = 24,945.02

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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.