Home / 30,861.14-46,319.00-15,878.79

Finding the Fourth Proportional to 30,861.14, 46,319.00 and 15,878.79

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Solution

The fourth proportional to 30,861.14, 46,319.00 and 15,878.79 is: 23,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,861.14 : 46,319.00 = 15,878.79 : x
  2. Step 2: Convert to fraction form
    30,861.14/46,319.00 = 15,878.79/x
  3. Step 3: Cross multiply
    30,861.14x = 46,319.00 × 15,878.79
  4. Step 4: Simplify right side
    30,861.14x = 735,489,594.62
  5. Step 5: Solve for x
    x = 735,489,594.62/30,861.14
  6. Step 6: Final answer
    x = 23,832.23

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1.5x scale

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.