Home / 56,585.82-84,877.20-19,145.64

Finding the Fourth Proportional to 56,585.82, 84,877.20 and 19,145.64

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Solution

The fourth proportional to 56,585.82, 84,877.20 and 19,145.64 is: 28,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,585.82 : 84,877.20 = 19,145.64 : x
  2. Step 2: Convert to fraction form
    56,585.82/84,877.20 = 19,145.64/x
  3. Step 3: Cross multiply
    56,585.82x = 84,877.20 × 19,145.64
  4. Step 4: Simplify right side
    56,585.82x = 1,625,028,315.41
  5. Step 5: Solve for x
    x = 1,625,028,315.41/56,585.82
  6. Step 6: Final answer
    x = 28,717.94

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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.