Home / 57,190.32-85,668.78-29,430

Finding the Fourth Proportional to 57,190.32, 85,668.78 and 29,430

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Solution

The fourth proportional to 57,190.32, 85,668.78 and 29,430 is: 44,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,190.32 : 85,668.78 = 29,430 : x
  2. Step 2: Convert to fraction form
    57,190.32/85,668.78 = 29,430/x
  3. Step 3: Cross multiply
    57,190.32x = 85,668.78 × 29,430
  4. Step 4: Simplify right side
    57,190.32x = 2,521,232,195.40
  5. Step 5: Solve for x
    x = 2,521,232,195.40/57,190.32
  6. Step 6: Final answer
    x = 44,084.95

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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.