Home / 56,587.12-84,878.52-19,150

Finding the Fourth Proportional to 56,587.12, 84,878.52 and 19,150

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Solution

The fourth proportional to 56,587.12, 84,878.52 and 19,150 is: 28,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,587.12 : 84,878.52 = 19,150 : x
  2. Step 2: Convert to fraction form
    56,587.12/84,878.52 = 19,150/x
  3. Step 3: Cross multiply
    56,587.12x = 84,878.52 × 19,150
  4. Step 4: Simplify right side
    56,587.12x = 1,625,423,658
  5. Step 5: Solve for x
    x = 1,625,423,658/56,587.12
  6. Step 6: Final answer
    x = 28,724.27

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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.