Home / 56,847.24-85,270.86-19,902.60

Finding the Fourth Proportional to 56,847.24, 85,270.86 and 19,902.60

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Solution

The fourth proportional to 56,847.24, 85,270.86 and 19,902.60 is: 29,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,847.24 : 85,270.86 = 19,902.60 : x
  2. Step 2: Convert to fraction form
    56,847.24/85,270.86 = 19,902.60/x
  3. Step 3: Cross multiply
    56,847.24x = 85,270.86 × 19,902.60
  4. Step 4: Simplify right side
    56,847.24x = 1,697,111,818.24
  5. Step 5: Solve for x
    x = 1,697,111,818.24/56,847.24
  6. Step 6: Final answer
    x = 29,853.90

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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.