Home / 52,147.32-78,220.05-12,704.34

Finding the Fourth Proportional to 52,147.32, 78,220.05 and 12,704.34

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Solution

The fourth proportional to 52,147.32, 78,220.05 and 12,704.34 is: 19,056.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,147.32 : 78,220.05 = 12,704.34 : x
  2. Step 2: Convert to fraction form
    52,147.32/78,220.05 = 12,704.34/x
  3. Step 3: Cross multiply
    52,147.32x = 78,220.05 × 12,704.34
  4. Step 4: Simplify right side
    52,147.32x = 993,734,110.02
  5. Step 5: Solve for x
    x = 993,734,110.02/52,147.32
  6. Step 6: Final answer
    x = 19,056.28

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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.