Home / 53,271.18-79,915.44-19,993.86

Finding the Fourth Proportional to 53,271.18, 79,915.44 and 19,993.86

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Solution

The fourth proportional to 53,271.18, 79,915.44 and 19,993.86 is: 29,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,271.18 : 79,915.44 = 19,993.86 : x
  2. Step 2: Convert to fraction form
    53,271.18/79,915.44 = 19,993.86/x
  3. Step 3: Cross multiply
    53,271.18x = 79,915.44 × 19,993.86
  4. Step 4: Simplify right side
    53,271.18x = 1,597,818,119.20
  5. Step 5: Solve for x
    x = 1,597,818,119.20/53,271.18
  6. Step 6: Final answer
    x = 29,994.04

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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.