Home / 45,210.72-67,819.32-15,225

Finding the Fourth Proportional to 45,210.72, 67,819.32 and 15,225

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Solution

The fourth proportional to 45,210.72, 67,819.32 and 15,225 is: 22,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,210.72 : 67,819.32 = 15,225 : x
  2. Step 2: Convert to fraction form
    45,210.72/67,819.32 = 15,225/x
  3. Step 3: Cross multiply
    45,210.72x = 67,819.32 × 15,225
  4. Step 4: Simplify right side
    45,210.72x = 1,032,549,147.00
  5. Step 5: Solve for x
    x = 1,032,549,147.00/45,210.72
  6. Step 6: Final answer
    x = 22,838.59

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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.