Home / 56,212.20-84,323.10-19,276.20

Finding the Fourth Proportional to 56,212.20, 84,323.10 and 19,276.20

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Solution

The fourth proportional to 56,212.20, 84,323.10 and 19,276.20 is: 28,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,212.20 : 84,323.10 = 19,276.20 : x
  2. Step 2: Convert to fraction form
    56,212.20/84,323.10 = 19,276.20/x
  3. Step 3: Cross multiply
    56,212.20x = 84,323.10 × 19,276.20
  4. Step 4: Simplify right side
    56,212.20x = 1,625,428,940.22
  5. Step 5: Solve for x
    x = 1,625,428,940.22/56,212.20
  6. Step 6: Final answer
    x = 28,915.95

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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.