Home / 56,578.83-84,882.21-39,971.40

Finding the Fourth Proportional to 56,578.83, 84,882.21 and 39,971.40

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Solution

The fourth proportional to 56,578.83, 84,882.21 and 39,971.40 is: 59,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,578.83 : 84,882.21 = 39,971.40 : x
  2. Step 2: Convert to fraction form
    56,578.83/84,882.21 = 39,971.40/x
  3. Step 3: Cross multiply
    56,578.83x = 84,882.21 × 39,971.40
  4. Step 4: Simplify right side
    56,578.83x = 3,392,860,768.79
  5. Step 5: Solve for x
    x = 3,392,860,768.79/56,578.83
  6. Step 6: Final answer
    x = 59,966.97

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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.