Home / 59,780.43-89,592.10-28,147.59

Finding the Fourth Proportional to 59,780.43, 89,592.10 and 28,147.59

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Solution

The fourth proportional to 59,780.43, 89,592.10 and 28,147.59 is: 42,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,780.43 : 89,592.10 = 28,147.59 : x
  2. Step 2: Convert to fraction form
    59,780.43/89,592.10 = 28,147.59/x
  3. Step 3: Cross multiply
    59,780.43x = 89,592.10 × 28,147.59
  4. Step 4: Simplify right side
    59,780.43x = 2,521,801,627.67
  5. Step 5: Solve for x
    x = 2,521,801,627.67/59,780.43
  6. Step 6: Final answer
    x = 42,184.40

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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.