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Finding the Fourth Proportional to 30,693.40, 46,037.40 and 8,504.80

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Solution

The fourth proportional to 30,693.40, 46,037.40 and 8,504.80 is: 12,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,693.40 : 46,037.40 = 8,504.80 : x
  2. Step 2: Convert to fraction form
    30,693.40/46,037.40 = 8,504.80/x
  3. Step 3: Cross multiply
    30,693.40x = 46,037.40 × 8,504.80
  4. Step 4: Simplify right side
    30,693.40x = 391,538,879.52
  5. Step 5: Solve for x
    x = 391,538,879.52/30,693.40
  6. Step 6: Final answer
    x = 12,756.45

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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.