Home / 56,891.52-85,347.20-19,455.34

Finding the Fourth Proportional to 56,891.52, 85,347.20 and 19,455.34

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Solution

The fourth proportional to 56,891.52, 85,347.20 and 19,455.34 is: 29,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,891.52 : 85,347.20 = 19,455.34 : x
  2. Step 2: Convert to fraction form
    56,891.52/85,347.20 = 19,455.34/x
  3. Step 3: Cross multiply
    56,891.52x = 85,347.20 × 19,455.34
  4. Step 4: Simplify right side
    56,891.52x = 1,660,458,794.05
  5. Step 5: Solve for x
    x = 1,660,458,794.05/56,891.52
  6. Step 6: Final answer
    x = 29,186.40

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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.