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Finding the Fourth Proportional to 30,663, 46,005.60 and 15,091.56

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Solution

The fourth proportional to 30,663, 46,005.60 and 15,091.56 is: 22,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,663 : 46,005.60 = 15,091.56 : x
  2. Step 2: Convert to fraction form
    30,663/46,005.60 = 15,091.56/x
  3. Step 3: Cross multiply
    30,663x = 46,005.60 × 15,091.56
  4. Step 4: Simplify right side
    30,663x = 694,296,272.74
  5. Step 5: Solve for x
    x = 694,296,272.74/30,663
  6. Step 6: Final answer
    x = 22,642.80

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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.