Home / 56,528.85-84,792.39-19,115.20

Finding the Fourth Proportional to 56,528.85, 84,792.39 and 19,115.20

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Solution

The fourth proportional to 56,528.85, 84,792.39 and 19,115.20 is: 28,672.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,528.85 : 84,792.39 = 19,115.20 : x
  2. Step 2: Convert to fraction form
    56,528.85/84,792.39 = 19,115.20/x
  3. Step 3: Cross multiply
    56,528.85x = 84,792.39 × 19,115.20
  4. Step 4: Simplify right side
    56,528.85x = 1,620,823,493.33
  5. Step 5: Solve for x
    x = 1,620,823,493.33/56,528.85
  6. Step 6: Final answer
    x = 28,672.50

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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.